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_AppDomain.Invoke Method

Provides access to properties and methods exposed by an object.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

void Invoke(
	uint dispIdMember,
	ref Guid riid,
	uint lcid,
	short wFlags,
	IntPtr pDispParams,
	IntPtr pVarResult,
	IntPtr pExcepInfo,
	IntPtr puArgErr


Type: System.UInt32

Identifies the member.

Type: System.Guid%

Reserved for future use. Must be IID_NULL.

Type: System.UInt32

The locale context in which to interpret arguments.

Type: System.Int16

Flags describing the context of the call.

Type: System.IntPtr

Pointer to a structure containing an array of arguments, an array of argument DISPIDs for named arguments, and counts for the number of elements in the arrays.

Type: System.IntPtr

Pointer to the location where the result is to be stored.

Type: System.IntPtr

Pointer to a structure that contains exception information.

Type: System.IntPtr

The index of the first argument that has an error.


The method is called late-bound using the COM IDispatch interface.

This method is for access to managed classes from unmanaged code, and should not be called from managed code. For more information about IDispatch::Invoke, see the MSDN Library.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0