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MarshalAsAttribute.MarshalTypeRef Field

Implements MarshalAsAttribute.MarshalType as a type.

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

[ComVisibleAttribute(true)]
public Type MarshalTypeRef

You can use either the MarshalTypeRef or MarshalType field to specify a custom marshaler type for the attributed parameter, field, or return type. The MarshalTypeRef field allows easier usage of MarshalType by shortening the syntax. In the following example, the first line represents syntax using MarshalType and the second line represents syntax using MarshalTypeRef.

[MarshalAs(UnmanagedType.CustomMarshaler, MarshalType = "Assembly, NameSpace.TypeName")] 
[MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(NameSpace.TypeName)]

You can set a Type object using typeof in C#, GetType in Visual Basic, or typeid in C++. For additional information about creating and using custom marshalers, see Custom Marshaling.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, 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.

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