GetIDispatchForObjectInContext Method
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Marshal.GetIDispatchForObjectInContext Method

Returns an IDispatch interface pointer from a managed object, if the caller is in the same context as that object.

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

[SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.UnmanagedCode)]
public static IntPtr GetIDispatchForObjectInContext(
	Object o


Type: System.Object

The object whose IDispatch interface is requested.

Return Value

Type: System.IntPtr
The IDispatch interface pointer for the o parameter, or null if the caller is not in the same context as the specified object.


o does not support the requested interface.


o is null.

This method is the same as GetIDispatchForObject except that it returns null if the caller is not in the same context as the object.


This method uses LinkDemand to prevent it from being called from untrusted code; only the immediate caller is required to have SecurityPermissionAttribute.UnmanagedCode permission. If your code can be called from partially trusted code, do not pass user input to Marshal class methods without validation. For important limitations on using the LinkDemand member, see Demand vs. LinkDemand.

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

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