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ICustomQueryInterface.GetInterface Method

.NET Framework 4.5

Other Versions

.NET Framework 4

Returns an interface according to a specified interface ID.

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

Syntax

C++

CustomQueryInterfaceResult GetInterface(
	ref Guid iid,
	out IntPtr ppv
)

Parameters

iid: Type: System.Guid
The GUID of the requested interface.

ppv: 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.

Remarks

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.

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

.NET Framework Security

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

Platforms

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

ICustomQueryInterface Interface

System.Runtime.InteropServices Namespace

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