/
FileIOPermission.xml
1319 lines (1193 loc) · 102 KB
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FileIOPermission.xml
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<Type Name="FileIOPermission" FullName="System.Security.Permissions.FileIOPermission">
<TypeSignature Language="C#" Value="public sealed class FileIOPermission : System.Security.CodeAccessPermission, System.Security.Permissions.IUnrestrictedPermission" />
<TypeSignature Language="ILAsm" Value=".class public auto ansi sealed beforefieldinit FileIOPermission extends System.Security.CodeAccessPermission implements class System.Security.Permissions.IUnrestrictedPermission" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netstandard-2.0;windowsdesktop-3.0;windowsdesktop-3.1;windowsdesktop-5.0;windowsdesktop-6.0;windowsdesktop-7.0;windowsdesktop-8.0;windowsdesktop-9.0" />
<TypeSignature Language="DocId" Value="T:System.Security.Permissions.FileIOPermission" />
<TypeSignature Language="VB.NET" Value="Public NotInheritable Class FileIOPermission
Inherits CodeAccessPermission
Implements IUnrestrictedPermission" />
<TypeSignature Language="F#" Value="type FileIOPermission = class
 inherit CodeAccessPermission
 interface IUnrestrictedPermission" />
<TypeSignature Language="C++ CLI" Value="public ref class FileIOPermission sealed : System::Security::CodeAccessPermission, System::Security::Permissions::IUnrestrictedPermission" />
<TypeSignature Language="ILAsm" Value=".class public auto ansi serializable sealed beforefieldinit FileIOPermission extends System.Security.CodeAccessPermission implements class System.Security.Permissions.IUnrestrictedPermission" FrameworkAlternate="netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Security.Permissions</AssemblyName>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
<AssemblyVersion>4.0.2.0</AssemblyVersion>
<AssemblyVersion>4.0.3.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<TypeForwardingChain>
<TypeForwarding From="System.Security.Permissions" FromVersion="9.0.0.0" To="mscorlib" ToVersion="4.0.0.0" FrameworkAlternate="netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
</TypeForwardingChain>
<Base>
<BaseTypeName>System.Security.CodeAccessPermission</BaseTypeName>
</Base>
<Interfaces>
<Interface>
<InterfaceName>System.Security.Permissions.IUnrestrictedPermission</InterfaceName>
</Interface>
</Interfaces>
<Attributes>
<Attribute FrameworkAlternate="dotnet-plat-ext-5.0;net-6.0;net-7.0;net-8.0;net-9.0;windowsdesktop-5.0;windowsdesktop-6.0;windowsdesktop-7.0;windowsdesktop-8.0;windowsdesktop-9.0">
<AttributeName Language="C#">[System.Obsolete("Code Access Security is not supported or honored by the runtime.", DiagnosticId="SYSLIB0003", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]</AttributeName>
<AttributeName Language="F#">[<System.Obsolete("Code Access Security is not supported or honored by the runtime.", DiagnosticId="SYSLIB0003", UrlFormat="https://aka.ms/dotnet-warnings/{0}")>]</AttributeName>
</Attribute>
<Attribute FrameworkAlternate="netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1">
<AttributeName Language="C#">[System.Serializable]</AttributeName>
<AttributeName Language="F#">[<System.Serializable>]</AttributeName>
</Attribute>
<Attribute FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1">
<AttributeName Language="C#">[System.Runtime.InteropServices.ComVisible(true)]</AttributeName>
<AttributeName Language="F#">[<System.Runtime.InteropServices.ComVisible(true)>]</AttributeName>
</Attribute>
</Attributes>
<Docs>
<summary>Controls the ability to access files and folders. This class cannot be inherited.</summary>
<remarks>
<format type="text/markdown"><]
This permission distinguishes between the following four types of file IO access provided by <xref:System.Security.Permissions.FileIOPermissionAccess>:
- `Read`: Read access to the contents of the file or access to information about the file, such as its length or last modification time.
- `Write`: Write access to the contents of the file or access to change information about the file, such as its name. Also allows for deletion and overwriting.
- `Append`: Ability to write to the end of a file only. No ability to read.
- `PathDiscovery`: Access to the information in the path itself. This helps protect sensitive information in the path, such as user names, as well as information about the directory structure that is revealed in the path. This value does not grant access to files or folders represented by the path.
> [!NOTE]
> Giving <xref:System.Security.Permissions.FileIOPermissionAccess.Write> access to an assembly is similar to granting it full trust. If an application should not write to the file system, it should not have <xref:System.Security.Permissions.FileIOPermissionAccess.Write> access.
All these permissions are independent, meaning that rights to one do not imply rights to another. For example, `Write` permission does not imply permission to `Read` or `Append`. If more than one permission is desired, they can be combined using a bitwise OR as shown in the code example that follows. File permission is defined in terms of canonical absolute paths; calls should always be made with canonical file paths.
<xref:System.Security.Permissions.FileIOPermission> describes protected operations on files and folders. The <xref:System.IO.File> class helps provide secure access to files and folders. The security access check is performed when the handle to the file is created. By doing the check at creation time, the performance impact of the security check is minimized. Opening a file happens once, while reading and writing can happen multiple times. Once the file is opened, no further checks are done. If the object is passed to an untrusted caller, it can be misused. For example, file handles should not be stored in public global statics where code with less permission can access them.
<xref:System.Security.Permissions.FileIOPermissionAccess> specifies actions that can be performed on the file or folder. In addition, these actions can be combined using a bitwise OR to form complex instances.
Access to a folder implies access to all the files it contains, as well as access to all the files and folders in its subfolders. For example, `Read` access to C:\folder1\ implies `Read` access to C:\folder1\file1.txt, C:\folder1\folder2\\, C:\folder1\folder2\file2.txt, and so on.
> [!NOTE]
> In versions of the .NET Framework before the .NET Framework 4, you could use the <xref:System.Security.CodeAccessPermission.Deny%2A?displayProperty=nameWithType> method to prevent inadvertent access to system resources by trusted code. <xref:System.Security.CodeAccessPermission.Deny%2A> is now obsolete, and access to resources is now determined solely by the granted permission set for an assembly. To limit access to files, you must run partially trusted code in a sandbox and assign it permissions only to resources that the code is allowed to access. For information about running an application in a sandbox, see [How to: Run Partially Trusted Code in a Sandbox](/dotnet/framework/misc/how-to-run-partially-trusted-code-in-a-sandbox).
## Examples
The following examples illustrate code that uses <xref:System.Security.Permissions.FileIOPermission>. After the following two lines of code, the object `f` represents permission to read all files on the client computer's local disks. The code example then demands the permission to determine whether the application has permission to read the files.
:::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR_Classic/classic FileIOPermission Example/CPP/source.cpp" id="Snippet1":::
:::code language="csharp" source="~/snippets/csharp/System.Security.Permissions/FileIOPermission/Overview/source.cs" id="Snippet1":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_Classic/classic FileIOPermission Example/VB/source.vb" id="Snippet1":::
After the following two lines of code, the object `f2` represents permissions to read C:\test_r and read and write to C:\example\out.txt. `Read` and `Write` represent the file/folder permissions as previously described. After creating the permission, the code demands the permission to determine whether the application has the right to read and write to the file.
:::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR_Classic/classic FileIOPermission Example/CPP/source.cpp" id="Snippet2":::
:::code language="csharp" source="~/snippets/csharp/System.Security.Permissions/FileIOPermission/Overview/source.cs" id="Snippet2":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_Classic/classic FileIOPermission Example/VB/source.vb" id="Snippet2":::
]]></format>
</remarks>
<altmember cref="T:System.Security.Permissions.FileIOPermissionAccess" />
<altmember cref="T:System.Security.Permissions.FileIOPermissionAttribute" />
</Docs>
<Members>
<MemberGroup MemberName=".ctor">
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Docs>
<summary>Initializes a new instance of the <see cref="T:System.Security.Permissions.FileIOPermission" /> class.</summary>
</Docs>
</MemberGroup>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public FileIOPermission (System.Security.Permissions.PermissionState state);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(valuetype System.Security.Permissions.PermissionState state) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Security.Permissions.FileIOPermission.#ctor(System.Security.Permissions.PermissionState)" />
<MemberSignature Language="VB.NET" Value="Public Sub New (state As PermissionState)" />
<MemberSignature Language="F#" Value="new System.Security.Permissions.FileIOPermission : System.Security.Permissions.PermissionState -> System.Security.Permissions.FileIOPermission" Usage="new System.Security.Permissions.FileIOPermission state" />
<MemberSignature Language="C++ CLI" Value="public:
 FileIOPermission(System::Security::Permissions::PermissionState state);" />
<MemberType>Constructor</MemberType>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Security.Permissions</AssemblyName>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
<AssemblyVersion>4.0.2.0</AssemblyVersion>
<AssemblyVersion>4.0.3.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Parameters>
<Parameter Name="state" Type="System.Security.Permissions.PermissionState" />
</Parameters>
<Docs>
<param name="state">One of the <see cref="T:System.Security.Permissions.PermissionState" /> enumeration values.</param>
<summary>Initializes a new instance of the <see cref="T:System.Security.Permissions.FileIOPermission" /> class with fully restricted or unrestricted permission as specified.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
Creates either fully restricted (`None`) or `Unrestricted` access to files and directories.
## Examples
The following code example creates a new instance of the <xref:System.Security.Permissions.FileIOPermission> class with fully restricted read access.
:::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR_Classic/classic FileIOPermission Example/CPP/source.cpp" id="Snippet1":::
:::code language="csharp" source="~/snippets/csharp/System.Security.Permissions/FileIOPermission/Overview/source.cs" id="Snippet1":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_Classic/classic FileIOPermission Example/VB/source.vb" id="Snippet1":::
]]></format>
</remarks>
<exception cref="T:System.ArgumentException">The <paramref name="state" /> parameter is not a valid value of <see cref="T:System.Security.Permissions.PermissionState" />.</exception>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public FileIOPermission (System.Security.Permissions.FileIOPermissionAccess access, string path);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(valuetype System.Security.Permissions.FileIOPermissionAccess access, string path) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Security.Permissions.FileIOPermission.#ctor(System.Security.Permissions.FileIOPermissionAccess,System.String)" />
<MemberSignature Language="VB.NET" Value="Public Sub New (access As FileIOPermissionAccess, path As String)" />
<MemberSignature Language="F#" Value="new System.Security.Permissions.FileIOPermission : System.Security.Permissions.FileIOPermissionAccess * string -> System.Security.Permissions.FileIOPermission" Usage="new System.Security.Permissions.FileIOPermission (access, path)" />
<MemberSignature Language="C++ CLI" Value="public:
 FileIOPermission(System::Security::Permissions::FileIOPermissionAccess access, System::String ^ path);" />
<MemberType>Constructor</MemberType>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Security.Permissions</AssemblyName>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
<AssemblyVersion>4.0.2.0</AssemblyVersion>
<AssemblyVersion>4.0.3.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1">
<AttributeName Language="C#">[System.Security.SecuritySafeCritical]</AttributeName>
<AttributeName Language="F#">[<System.Security.SecuritySafeCritical>]</AttributeName>
</Attribute>
</Attributes>
<Parameters>
<Parameter Name="access" Type="System.Security.Permissions.FileIOPermissionAccess" />
<Parameter Name="path" Type="System.String" />
</Parameters>
<Docs>
<param name="access">A bitwise combination of the <see cref="T:System.Security.Permissions.FileIOPermissionAccess" /> enumeration values.</param>
<param name="path">The absolute path of the file or directory.</param>
<summary>Initializes a new instance of the <see cref="T:System.Security.Permissions.FileIOPermission" /> class with the specified access to the designated file or directory.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
This constructor allows only one of the <xref:System.Security.Permissions.FileIOPermissionAccess> values to be specified for the specified file or directory. Use the <xref:System.Security.Permissions.FileIOPermission.AddPathList%2A> method to define complex permissions.
## Examples
The following code example shows the use of the <xref:System.Security.Permissions.FileIOPermission.%23ctor%28System.Security.Permissions.FileIOPermissionAccess%2CSystem.String%29?displayProperty=nameWithType> constructor to create a new instance of the <xref:System.Security.Permissions.FileIOPermission> class, which provides complete access to the C:\test_r file.
:::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR_Classic/classic FileIOPermission Example/CPP/source.cpp" id="Snippet2":::
:::code language="csharp" source="~/snippets/csharp/System.Security.Permissions/FileIOPermission/Overview/source.cs" id="Snippet2":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_Classic/classic FileIOPermission Example/VB/source.vb" id="Snippet2":::
]]></format>
</remarks>
<exception cref="T:System.ArgumentException">The <paramref name="access" /> parameter is not a valid value of <see cref="T:System.Security.Permissions.FileIOPermissionAccess" />.
-or-
The <paramref name="path" /> parameter is not a valid string.
-or-
The <paramref name="path" /> parameter does not specify the absolute path to the file or directory.</exception>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public FileIOPermission (System.Security.Permissions.FileIOPermissionAccess access, string[] pathList);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(valuetype System.Security.Permissions.FileIOPermissionAccess access, string[] pathList) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Security.Permissions.FileIOPermission.#ctor(System.Security.Permissions.FileIOPermissionAccess,System.String[])" />
<MemberSignature Language="VB.NET" Value="Public Sub New (access As FileIOPermissionAccess, pathList As String())" />
<MemberSignature Language="F#" Value="new System.Security.Permissions.FileIOPermission : System.Security.Permissions.FileIOPermissionAccess * string[] -> System.Security.Permissions.FileIOPermission" Usage="new System.Security.Permissions.FileIOPermission (access, pathList)" />
<MemberSignature Language="C++ CLI" Value="public:
 FileIOPermission(System::Security::Permissions::FileIOPermissionAccess access, cli::array <System::String ^> ^ pathList);" />
<MemberType>Constructor</MemberType>
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<AssemblyName>mscorlib</AssemblyName>
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<AssemblyInfo>
<AssemblyName>System.Security.Permissions</AssemblyName>
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<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
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<Attribute FrameworkAlternate="netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1">
<AttributeName Language="C#">[System.Security.SecuritySafeCritical]</AttributeName>
<AttributeName Language="F#">[<System.Security.SecuritySafeCritical>]</AttributeName>
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<Parameters>
<Parameter Name="access" Type="System.Security.Permissions.FileIOPermissionAccess" />
<Parameter Name="pathList" Type="System.String[]" />
</Parameters>
<Docs>
<param name="access">A bitwise combination of the <see cref="T:System.Security.Permissions.FileIOPermissionAccess" /> enumeration values.</param>
<param name="pathList">An array containing the absolute paths of the files and directories.</param>
<summary>Initializes a new instance of the <see cref="T:System.Security.Permissions.FileIOPermission" /> class with the specified access to the designated files and directories.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
This constructor allows only one <xref:System.Security.Permissions.FileIOPermissionAccess> value to be specified for the specified files and directories. Use the <xref:System.Security.Permissions.FileIOPermission.AddPathList%2A> method to define complex permissions.
]]></format>
</remarks>
<exception cref="T:System.ArgumentException">The <paramref name="access" /> parameter is not a valid value of <see cref="T:System.Security.Permissions.FileIOPermissionAccess" />.
-or-
An entry in the <paramref name="pathList" /> array is not a valid string.</exception>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public FileIOPermission (System.Security.Permissions.FileIOPermissionAccess access, System.Security.AccessControl.AccessControlActions actions, string path);" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netstandard-2.0;windowsdesktop-3.0;windowsdesktop-3.1;windowsdesktop-5.0;windowsdesktop-6.0;windowsdesktop-7.0;windowsdesktop-8.0;windowsdesktop-9.0" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(valuetype System.Security.Permissions.FileIOPermissionAccess access, valuetype System.Security.AccessControl.AccessControlActions actions, string path) cil managed" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netstandard-2.0;windowsdesktop-3.0;windowsdesktop-3.1;windowsdesktop-5.0;windowsdesktop-6.0;windowsdesktop-7.0;windowsdesktop-8.0;windowsdesktop-9.0" />
<MemberSignature Language="DocId" Value="M:System.Security.Permissions.FileIOPermission.#ctor(System.Security.Permissions.FileIOPermissionAccess,System.Security.AccessControl.AccessControlActions,System.String)" />
<MemberSignature Language="VB.NET" Value="Public Sub New (access As FileIOPermissionAccess, actions As AccessControlActions, path As String)" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netstandard-2.0;windowsdesktop-3.0;windowsdesktop-3.1;windowsdesktop-5.0;windowsdesktop-6.0;windowsdesktop-7.0;windowsdesktop-8.0;windowsdesktop-9.0" />
<MemberSignature Language="F#" Value="new System.Security.Permissions.FileIOPermission : System.Security.Permissions.FileIOPermissionAccess * System.Security.AccessControl.AccessControlActions * string -> System.Security.Permissions.FileIOPermission" Usage="new System.Security.Permissions.FileIOPermission (access, actions, path)" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netstandard-2.0;windowsdesktop-3.0;windowsdesktop-3.1;windowsdesktop-5.0;windowsdesktop-6.0;windowsdesktop-7.0;windowsdesktop-8.0;windowsdesktop-9.0" />
<MemberSignature Language="C++ CLI" Value="public:
 FileIOPermission(System::Security::Permissions::FileIOPermissionAccess access, System::Security::AccessControl::AccessControlActions actions, System::String ^ path);" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netstandard-2.0;windowsdesktop-3.0;windowsdesktop-3.1;windowsdesktop-5.0;windowsdesktop-6.0;windowsdesktop-7.0;windowsdesktop-8.0;windowsdesktop-9.0" />
<MemberSignature Language="C#" Value="public FileIOPermission (System.Security.Permissions.FileIOPermissionAccess access, System.Security.AccessControl.AccessControlActions control, string path);" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(valuetype System.Security.Permissions.FileIOPermissionAccess access, valuetype System.Security.AccessControl.AccessControlActions control, string path) cil managed" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<MemberSignature Language="VB.NET" Value="Public Sub New (access As FileIOPermissionAccess, control As AccessControlActions, path As String)" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<MemberSignature Language="F#" Value="new System.Security.Permissions.FileIOPermission : System.Security.Permissions.FileIOPermissionAccess * System.Security.AccessControl.AccessControlActions * string -> System.Security.Permissions.FileIOPermission" Usage="new System.Security.Permissions.FileIOPermission (access, control, path)" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<MemberSignature Language="C++ CLI" Value="public:
 FileIOPermission(System::Security::Permissions::FileIOPermissionAccess access, System::Security::AccessControl::AccessControlActions control, System::String ^ path);" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<MemberType>Constructor</MemberType>
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<AssemblyName>mscorlib</AssemblyName>
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<AssemblyName>System.Security.Permissions</AssemblyName>
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<AttributeName Language="C#">[System.Security.SecuritySafeCritical]</AttributeName>
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</Attribute>
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<Parameters>
<Parameter Name="access" Type="System.Security.Permissions.FileIOPermissionAccess" Index="0" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1;netstandard-2.0;windowsdesktop-3.0;windowsdesktop-3.1;windowsdesktop-5.0;windowsdesktop-6.0;windowsdesktop-7.0;windowsdesktop-8.0;windowsdesktop-9.0" />
<Parameter Name="actions" Type="System.Security.AccessControl.AccessControlActions" Index="1" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netstandard-2.0;windowsdesktop-3.0;windowsdesktop-3.1;windowsdesktop-5.0;windowsdesktop-6.0;windowsdesktop-7.0;windowsdesktop-8.0;windowsdesktop-9.0" />
<Parameter Name="control" Type="System.Security.AccessControl.AccessControlActions" Index="1" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<Parameter Name="path" Type="System.String" Index="2" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1;netstandard-2.0;windowsdesktop-3.0;windowsdesktop-3.1;windowsdesktop-5.0;windowsdesktop-6.0;windowsdesktop-7.0;windowsdesktop-8.0;windowsdesktop-9.0" />
</Parameters>
<Docs>
<param name="access">A bitwise combination of the <see cref="T:System.Security.Permissions.FileIOPermissionAccess" /> enumeration values.</param>
<param name="actions">A bitwise combination of the <see cref="T:System.Security.AccessControl.AccessControlActions" /> enumeration values.</param>
<param name="control">A bitwise combination of the <see cref="T:System.Security.AccessControl.AccessControlActions" /> enumeration values.</param>
<param name="path">The absolute path of the file or directory.</param>
<summary>Initializes a new instance of the <see cref="T:System.Security.Permissions.FileIOPermission" /> class with the specified access to the designated file or directory and the specified access rights to file control information.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
This constructor allows only one <xref:System.Security.Permissions.FileIOPermissionAccess> value to be specified for the specified file or directories. Use the <xref:System.Security.Permissions.FileIOPermission.AddPathList%2A> method to define complex permissions.
The `control` parameter specifies whether the access control list (ACL) for the file or directory specified by `path` can be changed, viewed, or cannot be accessed.
> [!IMPORTANT]
> An access control list (ACL) describes individuals or groups who have, or do not have, rights to specific actions on the given file and its properties. The ability to change or view an ACL is an important permission and should be granted with caution.
]]></format>
</remarks>
<exception cref="T:System.ArgumentException">The <paramref name="access" /> parameter is not a valid value of <see cref="T:System.Security.Permissions.FileIOPermissionAccess" />.
-or-
The <paramref name="path" /> parameter is not a valid string.
-or-
The <paramref name="path" /> parameter does not specify the absolute path to the file or directory.</exception>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public FileIOPermission (System.Security.Permissions.FileIOPermissionAccess access, System.Security.AccessControl.AccessControlActions actions, string[] pathList);" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netstandard-2.0;windowsdesktop-3.0;windowsdesktop-3.1;windowsdesktop-5.0;windowsdesktop-6.0;windowsdesktop-7.0;windowsdesktop-8.0;windowsdesktop-9.0" />
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<MemberSignature Language="C#" Value="public FileIOPermission (System.Security.Permissions.FileIOPermissionAccess access, System.Security.AccessControl.AccessControlActions control, string[] pathList);" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(valuetype System.Security.Permissions.FileIOPermissionAccess access, valuetype System.Security.AccessControl.AccessControlActions control, string[] pathList) cil managed" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
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<MemberSignature Language="F#" Value="new System.Security.Permissions.FileIOPermission : System.Security.Permissions.FileIOPermissionAccess * System.Security.AccessControl.AccessControlActions * string[] -> System.Security.Permissions.FileIOPermission" Usage="new System.Security.Permissions.FileIOPermission (access, control, pathList)" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<MemberSignature Language="C++ CLI" Value="public:
 FileIOPermission(System::Security::Permissions::FileIOPermissionAccess access, System::Security::AccessControl::AccessControlActions control, cli::array <System::String ^> ^ pathList);" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<MemberType>Constructor</MemberType>
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<AssemblyVersion>5.0.0.0</AssemblyVersion>
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<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
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<AttributeName Language="C#">[System.Security.SecuritySafeCritical]</AttributeName>
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</Attributes>
<Parameters>
<Parameter Name="access" Type="System.Security.Permissions.FileIOPermissionAccess" Index="0" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1;netstandard-2.0;windowsdesktop-3.0;windowsdesktop-3.1;windowsdesktop-5.0;windowsdesktop-6.0;windowsdesktop-7.0;windowsdesktop-8.0;windowsdesktop-9.0" />
<Parameter Name="actions" Type="System.Security.AccessControl.AccessControlActions" Index="1" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netstandard-2.0;windowsdesktop-3.0;windowsdesktop-3.1;windowsdesktop-5.0;windowsdesktop-6.0;windowsdesktop-7.0;windowsdesktop-8.0;windowsdesktop-9.0" />
<Parameter Name="control" Type="System.Security.AccessControl.AccessControlActions" Index="1" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<Parameter Name="pathList" Type="System.String[]" Index="2" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1;netstandard-2.0;windowsdesktop-3.0;windowsdesktop-3.1;windowsdesktop-5.0;windowsdesktop-6.0;windowsdesktop-7.0;windowsdesktop-8.0;windowsdesktop-9.0" />
</Parameters>
<Docs>
<param name="access">A bitwise combination of the <see cref="T:System.Security.Permissions.FileIOPermissionAccess" /> enumeration values.</param>
<param name="actions">A bitwise combination of the <see cref="T:System.Security.AccessControl.AccessControlActions" /> enumeration values.</param>
<param name="control">A bitwise combination of the <see cref="T:System.Security.AccessControl.AccessControlActions" /> enumeration values.</param>
<param name="pathList">An array containing the absolute paths of the files and directories.</param>
<summary>Initializes a new instance of the <see cref="T:System.Security.Permissions.FileIOPermission" /> class with the specified access to the designated files and directories and the specified access rights to file control information.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
This constructor allows only one <xref:System.Security.Permissions.FileIOPermissionAccess> value to be specified for the specified files and directories. Use the <xref:System.Security.Permissions.FileIOPermission.AddPathList%2A> method to define complex permissions.
The `control` parameter specifies whether the access control list (ACL) for the file or directory specified by `path` can be changed, viewed, or cannot be accessed.
> [!IMPORTANT]
> An access control list (ACL) describes individuals or groups who have, or do not have, rights to specific actions on the given file and its properties. The ability to change or view an ACL is an important permission and should be granted with caution.
]]></format>
</remarks>
<exception cref="T:System.ArgumentException">The <paramref name="access" /> parameter is not a valid value of <see cref="T:System.Security.Permissions.FileIOPermissionAccess" />.
-or-
An entry in the <paramref name="pathList" /> array is not a valid string.</exception>
</Docs>
</Member>
<MemberGroup MemberName="AddPathList">
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Docs>
<summary>Adds access for the specified files and directories to the existing state of the permission.</summary>
</Docs>
</MemberGroup>
<Member MemberName="AddPathList">
<MemberSignature Language="C#" Value="public void AddPathList (System.Security.Permissions.FileIOPermissionAccess access, string path);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance void AddPathList(valuetype System.Security.Permissions.FileIOPermissionAccess access, string path) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Security.Permissions.FileIOPermission.AddPathList(System.Security.Permissions.FileIOPermissionAccess,System.String)" />
<MemberSignature Language="VB.NET" Value="Public Sub AddPathList (access As FileIOPermissionAccess, path As String)" />
<MemberSignature Language="F#" Value="member this.AddPathList : System.Security.Permissions.FileIOPermissionAccess * string -> unit" Usage="fileIOPermission.AddPathList (access, path)" />
<MemberSignature Language="C++ CLI" Value="public:
 void AddPathList(System::Security::Permissions::FileIOPermissionAccess access, System::String ^ path);" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Security.Permissions</AssemblyName>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
<AssemblyVersion>4.0.2.0</AssemblyVersion>
<AssemblyVersion>4.0.3.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1">
<AttributeName Language="C#">[System.Security.SecuritySafeCritical]</AttributeName>
<AttributeName Language="F#">[<System.Security.SecuritySafeCritical>]</AttributeName>
</Attribute>
</Attributes>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="access" Type="System.Security.Permissions.FileIOPermissionAccess" />
<Parameter Name="path" Type="System.String" />
</Parameters>
<Docs>
<param name="access">A bitwise combination of the <see cref="T:System.Security.Permissions.FileIOPermissionAccess" /> values.</param>
<param name="path">The absolute path of a file or directory.</param>
<summary>Adds access for the specified file or directory to the existing state of the permission.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
Use this method to modify file and directory access by adding to the state of the current permission.
## Examples
The following code example shows the use of the <xref:System.Security.Permissions.FileIOPermission.AddPathList%28System.Security.Permissions.FileIOPermissionAccess%2CSystem.String%29?displayProperty=nameWithType> method.
:::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR_Classic/classic FileIOPermission Example/CPP/source.cpp" id="Snippet2":::
:::code language="csharp" source="~/snippets/csharp/System.Security.Permissions/FileIOPermission/Overview/source.cs" id="Snippet2":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_Classic/classic FileIOPermission Example/VB/source.vb" id="Snippet2":::
]]></format>
</remarks>
<exception cref="T:System.ArgumentException">The <paramref name="access" /> parameter is not a valid value of <see cref="T:System.Security.Permissions.FileIOPermissionAccess" />.
-or-
The <paramref name="path" /> parameter is not a valid string.
-or-
The <paramref name="path" /> parameter did not specify the absolute path to the file or directory.</exception>
<exception cref="T:System.ArgumentNullException">The <paramref name="path" /> parameter is <see langword="null" />.</exception>
<exception cref="T:System.NotSupportedException">The <paramref name="path" /> parameter has an invalid format.</exception>
</Docs>
</Member>
<Member MemberName="AddPathList">
<MemberSignature Language="C#" Value="public void AddPathList (System.Security.Permissions.FileIOPermissionAccess access, string[] pathList);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance void AddPathList(valuetype System.Security.Permissions.FileIOPermissionAccess access, string[] pathList) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Security.Permissions.FileIOPermission.AddPathList(System.Security.Permissions.FileIOPermissionAccess,System.String[])" />
<MemberSignature Language="VB.NET" Value="Public Sub AddPathList (access As FileIOPermissionAccess, pathList As String())" />
<MemberSignature Language="F#" Value="member this.AddPathList : System.Security.Permissions.FileIOPermissionAccess * string[] -> unit" Usage="fileIOPermission.AddPathList (access, pathList)" />
<MemberSignature Language="C++ CLI" Value="public:
 void AddPathList(System::Security::Permissions::FileIOPermissionAccess access, cli::array <System::String ^> ^ pathList);" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Security.Permissions</AssemblyName>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
<AssemblyVersion>4.0.2.0</AssemblyVersion>
<AssemblyVersion>4.0.3.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1">
<AttributeName Language="C#">[System.Security.SecuritySafeCritical]</AttributeName>
<AttributeName Language="F#">[<System.Security.SecuritySafeCritical>]</AttributeName>
</Attribute>
</Attributes>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="access" Type="System.Security.Permissions.FileIOPermissionAccess" />
<Parameter Name="pathList" Type="System.String[]" />
</Parameters>
<Docs>
<param name="access">A bitwise combination of the <see cref="T:System.Security.Permissions.FileIOPermissionAccess" /> values.</param>
<param name="pathList">An array containing the absolute paths of the files and directories.</param>
<summary>Adds access for the specified files and directories to the existing state of the permission.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
Use this method to modify file and directory access by adding to the state of the current permission.
]]></format>
</remarks>
<exception cref="T:System.ArgumentException">The <paramref name="access" /> parameter is not a valid value of <see cref="T:System.Security.Permissions.FileIOPermissionAccess" />.
-or-
An entry in the <paramref name="pathList" /> array is not valid.</exception>
<exception cref="T:System.NotSupportedException">An entry in the <paramref name="pathList" /> array has an invalid format.</exception>
<exception cref="T:System.ArgumentNullException">The <paramref name="pathList" /> parameter is <see langword="null" />.</exception>
</Docs>
</Member>
<Member MemberName="AllFiles">
<MemberSignature Language="C#" Value="public System.Security.Permissions.FileIOPermissionAccess AllFiles { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance valuetype System.Security.Permissions.FileIOPermissionAccess AllFiles" />
<MemberSignature Language="DocId" Value="P:System.Security.Permissions.FileIOPermission.AllFiles" />
<MemberSignature Language="VB.NET" Value="Public Property AllFiles As FileIOPermissionAccess" />
<MemberSignature Language="F#" Value="member this.AllFiles : System.Security.Permissions.FileIOPermissionAccess with get, set" Usage="System.Security.Permissions.FileIOPermission.AllFiles" />
<MemberSignature Language="C++ CLI" Value="public:
 property System::Security::Permissions::FileIOPermissionAccess AllFiles { System::Security::Permissions::FileIOPermissionAccess get(); void set(System::Security::Permissions::FileIOPermissionAccess value); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Security.Permissions</AssemblyName>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
<AssemblyVersion>4.0.2.0</AssemblyVersion>
<AssemblyVersion>4.0.3.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Security.Permissions.FileIOPermissionAccess</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets or sets the permitted access to all files.</summary>
<value>The set of file I/O flags for all files.</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
This property gets or sets the permitted access to all files on the local computer and network drives.
An individual <xref:System.Security.Permissions.FileIOPermissionAccess> value can be checked for using a bitwise AND operation.
## Examples
The following code example shows the use of the <xref:System.Security.Permissions.FileIOPermission.AllFiles%2A> property.
:::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR_Classic/classic FileIOPermission Example/CPP/source.cpp" id="Snippet3":::
:::code language="csharp" source="~/snippets/csharp/System.Security.Permissions/FileIOPermission/Overview/source.cs" id="Snippet3":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_Classic/classic FileIOPermission Example/VB/source.vb" id="Snippet3":::
]]></format>
</remarks>
</Docs>
</Member>
<Member MemberName="AllLocalFiles">
<MemberSignature Language="C#" Value="public System.Security.Permissions.FileIOPermissionAccess AllLocalFiles { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance valuetype System.Security.Permissions.FileIOPermissionAccess AllLocalFiles" />
<MemberSignature Language="DocId" Value="P:System.Security.Permissions.FileIOPermission.AllLocalFiles" />
<MemberSignature Language="VB.NET" Value="Public Property AllLocalFiles As FileIOPermissionAccess" />
<MemberSignature Language="F#" Value="member this.AllLocalFiles : System.Security.Permissions.FileIOPermissionAccess with get, set" Usage="System.Security.Permissions.FileIOPermission.AllLocalFiles" />
<MemberSignature Language="C++ CLI" Value="public:
 property System::Security::Permissions::FileIOPermissionAccess AllLocalFiles { System::Security::Permissions::FileIOPermissionAccess get(); void set(System::Security::Permissions::FileIOPermissionAccess value); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Security.Permissions</AssemblyName>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
<AssemblyVersion>4.0.2.0</AssemblyVersion>
<AssemblyVersion>4.0.3.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Security.Permissions.FileIOPermissionAccess</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets or sets the permitted access to all local files.</summary>
<value>The set of file I/O flags for all local files.</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
Local files are files contained on the local computer. Any files not accessed through a network drive are local files.
An individual <xref:System.Security.Permissions.FileIOPermissionAccess> value can be checked for using a bitwise AND operation.
## Examples
The following code example shows the use of the <xref:System.Security.Permissions.FileIOPermission.AllLocalFiles%2A> property.
:::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR_Classic/classic FileIOPermission Example/CPP/source.cpp" id="Snippet1":::
:::code language="csharp" source="~/snippets/csharp/System.Security.Permissions/FileIOPermission/Overview/source.cs" id="Snippet1":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_Classic/classic FileIOPermission Example/VB/source.vb" id="Snippet1":::
]]></format>
</remarks>
</Docs>
</Member>
<Member MemberName="Copy">
<MemberSignature Language="C#" Value="public override System.Security.IPermission Copy ();" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance class System.Security.IPermission Copy() cil managed" />
<MemberSignature Language="DocId" Value="M:System.Security.Permissions.FileIOPermission.Copy" />
<MemberSignature Language="VB.NET" Value="Public Overrides Function Copy () As IPermission" />
<MemberSignature Language="F#" Value="override this.Copy : unit -> System.Security.IPermission" Usage="fileIOPermission.Copy " />
<MemberSignature Language="C++ CLI" Value="public:
 override System::Security::IPermission ^ Copy();" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Security.Permissions</AssemblyName>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
<AssemblyVersion>4.0.2.0</AssemblyVersion>
<AssemblyVersion>4.0.3.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Security.IPermission</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>Creates and returns an identical copy of the current permission.</summary>
<returns>A copy of the current permission.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
A copy of the permission represents the same access to resources as the original permission.
]]></format>
</remarks>
</Docs>
</Member>
<Member MemberName="Equals">
<MemberSignature Language="C#" Value="public override bool Equals (object o);" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netstandard-2.0;windowsdesktop-3.0;windowsdesktop-3.1;windowsdesktop-5.0;windowsdesktop-6.0;windowsdesktop-7.0;windowsdesktop-8.0;windowsdesktop-9.0" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance bool Equals(object o) cil managed" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netstandard-2.0;windowsdesktop-3.0;windowsdesktop-3.1;windowsdesktop-5.0;windowsdesktop-6.0;windowsdesktop-7.0;windowsdesktop-8.0;windowsdesktop-9.0" />
<MemberSignature Language="DocId" Value="M:System.Security.Permissions.FileIOPermission.Equals(System.Object)" />
<MemberSignature Language="VB.NET" Value="Public Overrides Function Equals (o As Object) As Boolean" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netstandard-2.0;windowsdesktop-3.0;windowsdesktop-3.1;windowsdesktop-5.0;windowsdesktop-6.0;windowsdesktop-7.0;windowsdesktop-8.0;windowsdesktop-9.0" />
<MemberSignature Language="F#" Value="override this.Equals : obj -> bool" Usage="fileIOPermission.Equals o" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netstandard-2.0;windowsdesktop-3.0;windowsdesktop-3.1;windowsdesktop-5.0;windowsdesktop-6.0;windowsdesktop-7.0;windowsdesktop-8.0;windowsdesktop-9.0" />
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<MemberSignature Language="F#" Value="override this.Equals : obj -> bool" Usage="fileIOPermission.Equals obj" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<MemberSignature Language="C++ CLI" Value="public:
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<MemberType>Method</MemberType>
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<AttributeName Language="F#">[<System.Runtime.InteropServices.ComVisible(false)>]</AttributeName>
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<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="o" Type="System.Object" Index="0" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netstandard-2.0;windowsdesktop-3.0;windowsdesktop-3.1;windowsdesktop-5.0;windowsdesktop-6.0;windowsdesktop-7.0;windowsdesktop-8.0;windowsdesktop-9.0" />
<Parameter Name="obj" Type="System.Object" Index="0" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
</Parameters>
<Docs>
<param name="o">The <see cref="T:System.Security.Permissions.FileIOPermission" /> object to compare with the current <see cref="T:System.Security.Permissions.FileIOPermission" />.</param>
<param name="obj">The <see cref="T:System.Security.Permissions.FileIOPermission" /> object to compare with the current <see cref="T:System.Security.Permissions.FileIOPermission" />.</param>
<summary>Determines whether the specified <see cref="T:System.Security.Permissions.FileIOPermission" /> object is equal to the current <see cref="T:System.Security.Permissions.FileIOPermission" />.</summary>
<returns>
<see langword="true" /> if the specified <see cref="T:System.Security.Permissions.FileIOPermission" /> is equal to the current <see cref="T:System.Security.Permissions.FileIOPermission" /> object; otherwise, <see langword="false" />.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
For more information, see <xref:System.Object.Equals%2A>.
]]></format>
</remarks>
</Docs>
</Member>
<Member MemberName="FromXml">
<MemberSignature Language="C#" Value="public override void FromXml (System.Security.SecurityElement esd);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance void FromXml(class System.Security.SecurityElement esd) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Security.Permissions.FileIOPermission.FromXml(System.Security.SecurityElement)" />
<MemberSignature Language="VB.NET" Value="Public Overrides Sub FromXml (esd As SecurityElement)" />
<MemberSignature Language="F#" Value="override this.FromXml : System.Security.SecurityElement -> unit" Usage="fileIOPermission.FromXml esd" />
<MemberSignature Language="C++ CLI" Value="public:
 override void FromXml(System::Security::SecurityElement ^ esd);" />
<MemberType>Method</MemberType>
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<AttributeName Language="C#">[System.Security.SecuritySafeCritical]</AttributeName>
<AttributeName Language="F#">[<System.Security.SecuritySafeCritical>]</AttributeName>
</Attribute>
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<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="esd" Type="System.Security.SecurityElement" />
</Parameters>
<Docs>
<param name="esd">The XML encoding used to reconstruct the permission.</param>
<summary>Reconstructs a permission with a specified state from an XML encoding.</summary>
<remarks>To be added.</remarks>
<exception cref="T:System.ArgumentNullException">The <paramref name="esd" /> parameter is <see langword="null" />.</exception>
<exception cref="T:System.ArgumentException">The <paramref name="esd" /> parameter is not a valid permission element.
-or-
The <paramref name="esd" /> parameter's version number is not compatible.</exception>
</Docs>
</Member>
<Member MemberName="GetHashCode">
<MemberSignature Language="C#" Value="public override int GetHashCode ();" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance int32 GetHashCode() cil managed" />
<MemberSignature Language="DocId" Value="M:System.Security.Permissions.FileIOPermission.GetHashCode" />
<MemberSignature Language="VB.NET" Value="Public Overrides Function GetHashCode () As Integer" />
<MemberSignature Language="F#" Value="override this.GetHashCode : unit -> int" Usage="fileIOPermission.GetHashCode " />
<MemberSignature Language="C++ CLI" Value="public:
 override int GetHashCode();" />
<MemberType>Method</MemberType>
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<AssemblyName>mscorlib</AssemblyName>
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<AssemblyName>System.Security.Permissions</AssemblyName>
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<AttributeName Language="C#">[System.Runtime.InteropServices.ComVisible(false)]</AttributeName>
<AttributeName Language="F#">[<System.Runtime.InteropServices.ComVisible(false)>]</AttributeName>
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</Attributes>
<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>Gets a hash code for the <see cref="T:System.Security.Permissions.FileIOPermission" /> object that is suitable for use in hashing algorithms and data structures such as a hash table.</summary>
<returns>A hash code for the current <see cref="T:System.Security.Permissions.FileIOPermission" /> object.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The hash code for two instances of the same permission might be different, hence a hash code should not be used to compare two <xref:System.Security.Permissions.FileIOPermission> objects.
]]></format>
</remarks>
</Docs>
</Member>
<Member MemberName="GetPathList">
<MemberSignature Language="C#" Value="public string[] GetPathList (System.Security.Permissions.FileIOPermissionAccess access);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance string[] GetPathList(valuetype System.Security.Permissions.FileIOPermissionAccess access) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Security.Permissions.FileIOPermission.GetPathList(System.Security.Permissions.FileIOPermissionAccess)" />
<MemberSignature Language="VB.NET" Value="Public Function GetPathList (access As FileIOPermissionAccess) As String()" />
<MemberSignature Language="F#" Value="member this.GetPathList : System.Security.Permissions.FileIOPermissionAccess -> string[]" Usage="fileIOPermission.GetPathList access" />
<MemberSignature Language="C++ CLI" Value="public:
 cli::array <System::String ^> ^ GetPathList(System::Security::Permissions::FileIOPermissionAccess access);" />
<MemberType>Method</MemberType>
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<AssemblyName>mscorlib</AssemblyName>
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<AssemblyName>System.Security.Permissions</AssemblyName>
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<AttributeName Language="C#">[System.Security.SecuritySafeCritical]</AttributeName>
<AttributeName Language="F#">[<System.Security.SecuritySafeCritical>]</AttributeName>
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<ReturnValue>
<ReturnType>System.String[]</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="access" Type="System.Security.Permissions.FileIOPermissionAccess" />
</Parameters>
<Docs>
<param name="access">One of the <see cref="T:System.Security.Permissions.FileIOPermissionAccess" /> values that represents a single type of file access.</param>
<summary>Gets all files and directories with the specified <see cref="T:System.Security.Permissions.FileIOPermissionAccess" />.</summary>
<returns>An array containing the paths of the files and directories to which access specified by the <paramref name="access" /> parameter is granted.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
Use this method to get the state of the current permission. To get the state of both `Read` and `Write` access, two calls to this method are required.
> [!NOTE]
> The `access` parameter is limited to the values of <xref:System.Security.Permissions.FileIOPermissionAccess>, which represent single types of file access. Those values are <xref:System.Security.Permissions.FileIOPermissionAccess.Read>, <xref:System.Security.Permissions.FileIOPermissionAccess.Write>, <xref:System.Security.Permissions.FileIOPermissionAccess.Append>, and <xref:System.Security.Permissions.FileIOPermissionAccess.PathDiscovery>. The values acceptable to `access` do not include <xref:System.Security.Permissions.FileIOPermissionAccess.NoAccess> and <xref:System.Security.Permissions.FileIOPermissionAccess.AllAccess>, which do not represent single types of file access.
## Examples
The following code example shows the use of the <xref:System.Security.Permissions.FileIOPermission.GetPathList%2A> method. This example is part of a larger example provided for the <xref:System.Security.Permissions.FileIOPermission> class.
:::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR_System/system.Security.Permissions.FileIOPermission/CPP/fileiopermission.cpp" id="Snippet7":::
:::code language="csharp" source="~/snippets/csharp/System.Security.Permissions/FileIOPermission/GetPathList/fileiopermission.cs" id="Snippet7":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.Security.Permissions.FileIOPermission/VB/fileiopermission.vb" id="Snippet7":::
]]></format>
</remarks>
<exception cref="T:System.ArgumentException">
<paramref name="access" /> is not a valid value of <see cref="T:System.Security.Permissions.FileIOPermissionAccess" />.
-or-
<paramref name="access" /> is <see cref="F:System.Security.Permissions.FileIOPermissionAccess.AllAccess" />, which represents more than one type of file access, or <see cref="F:System.Security.Permissions.FileIOPermissionAccess.NoAccess" />, which does not represent any type of file access.</exception>
</Docs>
</Member>
<Member MemberName="Intersect">
<MemberSignature Language="C#" Value="public override System.Security.IPermission Intersect (System.Security.IPermission target);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance class System.Security.IPermission Intersect(class System.Security.IPermission target) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Security.Permissions.FileIOPermission.Intersect(System.Security.IPermission)" />
<MemberSignature Language="VB.NET" Value="Public Overrides Function Intersect (target As IPermission) As IPermission" />
<MemberSignature Language="F#" Value="override this.Intersect : System.Security.IPermission -> System.Security.IPermission" Usage="fileIOPermission.Intersect target" />
<MemberSignature Language="C++ CLI" Value="public:
 override System::Security::IPermission ^ Intersect(System::Security::IPermission ^ target);" />
<MemberType>Method</MemberType>
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<AssemblyInfo>
<AssemblyName>System.Security.Permissions</AssemblyName>
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<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
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<ReturnValue>
<ReturnType>System.Security.IPermission</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="target" Type="System.Security.IPermission" />
</Parameters>
<Docs>
<param name="target">A permission to intersect with the current permission. It must be the same type as the current permission.</param>
<summary>Creates and returns a permission that is the intersection of the current permission and the specified permission.</summary>
<returns>A new permission that represents the intersection of the current permission and the specified permission. This new permission is <see langword="null" /> if the intersection is empty.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The intersection of two permissions is a permission that describes the set of operations they both describe in common. Only a demand that passes both original permissions will pass the intersection.
]]></format>
</remarks>
<exception cref="T:System.ArgumentException">The <paramref name="target" /> parameter is not <see langword="null" /> and is not of the same type as the current permission.</exception>
</Docs>
</Member>
<Member MemberName="IsSubsetOf">
<MemberSignature Language="C#" Value="public override bool IsSubsetOf (System.Security.IPermission target);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance bool IsSubsetOf(class System.Security.IPermission target) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Security.Permissions.FileIOPermission.IsSubsetOf(System.Security.IPermission)" />