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CustomQueryInterfaceResult Enumeration

.NET Framework 4

.NET Framework 4.5

Provides return values for the GetInterface method.

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

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[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

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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