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Invoke Method

_AppDomain.Invoke Method

Note: This method is new in the .NET Framework version 2.0.

Provides access to properties and methods exposed by an object.

This method is not CLS-compliant.  

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

void Invoke (
	uint dispIdMember,
	[InAttribute] ref Guid riid,
	uint lcid,
	short wFlags,
	IntPtr pDispParams,
	IntPtr pVarResult,
	IntPtr pExcepInfo,
	IntPtr puArgErr
void Invoke (
	UInt32 dispIdMember, 
	/** @attribute InAttribute() */ /** @ref */ Guid riid, 
	UInt32 lcid, 
	short wFlags, 
	IntPtr pDispParams, 
	IntPtr pVarResult, 
	IntPtr pExcepInfo, 
	IntPtr puArgErr
JScript does not support passing value-type arguments by reference.



Identifies the member.


Reserved for future use. Must be IID_NULL.


The locale context in which to interpret arguments.


Flags describing the context of the call.


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.


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


Pointer to a structure that contains exception information.


The index of the first argument that has an error.

Exception typeCondition


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

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

.NET Framework

Supported in: 2.0

Community Additions

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