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CustomQueryInterfaceResult Enumeration

.NET Framework 4.5

.NET Framework 4

Provides return values for the GetInterface method.

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

[SerializableAttribute]
[ComVisibleAttribute(false)]
public enum CustomQueryInterfaceResult

	Member name	Description
	Handled	The interface pointer that is returned from the GetInterface method can be used as the result of IUnknown::QueryInterface.
	NotHandled	The custom QueryInterface was not used. Instead, the default implementation of IUnknown::QueryInterface should be used.
	Failed	The interface for a specific interface ID is not available. In this case, the returned interface is null. E_NOINTERFACE is returned to the caller of IUnknown::QueryInterface.

Version Information

.NET Framework

Supported in: 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

Reference

System.Runtime.InteropServices Namespace

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