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CustomQueryInterfaceResult Enumeration

Provides return values for the GetInterface method.

Namespace:  System.Runtime.InteropServices
Assembly:  mscorlib (in mscorlib.dll)
[SerializableAttribute]
[ComVisibleAttribute(false)]
public enum CustomQueryInterfaceResult
Member nameDescription
Supported by Portable Class LibrarySupported in .NET for Windows Store appsFailedThe 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.
Supported by Portable Class LibrarySupported in .NET for Windows Store appsHandledThe interface pointer that is returned from the GetInterface method can be used as the result of IUnknown::QueryInterface.
Supported by Portable Class LibrarySupported in .NET for Windows Store appsNotHandledThe custom QueryInterface was not used. Instead, the default implementation of IUnknown::QueryInterface should be used.

.NET Framework

Supported in: 4.5.1, 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

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, 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.

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