/
ExternalException.cs
73 lines (60 loc) · 2.18 KB
/
ExternalException.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.ComponentModel;
using System.Runtime.CompilerServices;
using System.Runtime.Serialization;
namespace System.Runtime.InteropServices
{
/// <summary>
/// The base exception type for all COM interop exceptions and structured exception handling (SEH) exceptions.
/// </summary>
[Serializable]
[TypeForwardedFrom("mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")]
public class ExternalException : SystemException
{
public ExternalException()
: base(SR.Arg_ExternalException)
{
HResult = HResults.E_FAIL;
}
public ExternalException(string? message)
: base(message)
{
HResult = HResults.E_FAIL;
}
public ExternalException(string? message, Exception? inner)
: base(message, inner)
{
HResult = HResults.E_FAIL;
}
public ExternalException(string? message, int errorCode)
: base(message)
{
HResult = errorCode;
}
[Obsolete(Obsoletions.LegacyFormatterImplMessage, DiagnosticId = Obsoletions.LegacyFormatterImplDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
[EditorBrowsable(EditorBrowsableState.Never)]
protected ExternalException(SerializationInfo info, StreamingContext context)
: base(info, context)
{
}
public virtual int ErrorCode => HResult;
public override string ToString()
{
string message = Message;
string s = $"{GetType()} (0x{HResult:X8})";
if (!string.IsNullOrEmpty(message))
{
s += ": " + message;
}
Exception? innerException = InnerException;
if (innerException != null)
{
s += Environment.NewLineConst + InnerExceptionPrefix + innerException.ToString();
}
if (StackTrace != null)
s += Environment.NewLineConst + StackTrace;
return s;
}
}
}