platform-invoke-examples.md

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Platform Invoke Examples		03/30/2017	.net-framework			dotnet-clr		article	VB CSharp C++ jsharp	examples [.NET Framework], platform invoke unmanaged functions COM interop, platform invoke platform invoke, examples interoperation with unmanaged code, platform invoke DLL functions	15926806-f0b7-487e-93a6-4e9367ec689f	10	rpetrusha	ronpet	wpickett

Platform Invoke Examples

The following examples demonstrate how to define and call the MessageBox function in User32.dll, passing a simple string as an argument. In the examples, the xref:System.Runtime.InteropServices.DllImportAttribute.CharSet?displayProperty=nameWithType field is set to Auto to let the target platform determine the character width and string marshaling.

[!code-cppConceptual.Interop.PInvoke#1] [!code-csharpConceptual.Interop.PInvoke#1] [!code-vbConceptual.Interop.PInvoke#1]

For additional examples, see Marshaling Data with Platform Invoke.

See Also

xref:System.Runtime.InteropServices.DllImportAttribute
Creating Prototypes in Managed Code
Specifying a Character Set