ICustomQueryInterface.GetInterface Method (Guid, IntPtr)

.NET Framework (current version)

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Returns an interface according to a specified interface ID.

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

CustomQueryInterfaceResult GetInterface(
	[InAttribute] ref Guid iid,
	out IntPtr ppv


Type: System.Guid

The GUID of the requested interface.

Type: System.IntPtr

A reference to the requested interface, when this method returns.

Return Value

Type: System.Runtime.InteropServices.CustomQueryInterfaceResult

One of the enumeration values that indicates whether a custom implementation of IUnknown::QueryInterface was used.

An application can use managed code to specify its own implementation for custom interfaces and standard runtime interfaces.

The CustomQueryInterfaceResult return value can be used to enable or disable customized implementations by showing or hiding specific interfaces during COM access.

This method is invisible to COM.


requires full trust for the immediate caller. This member cannot be used by partially trusted or transparent code.

Universal Windows Platform
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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