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11/18/2011

MarshalAsAttribute Class

Microsoft Silverlight will reach end of support after October 2021. Learn more.

This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.

Indicates how to marshal the data between managed and unmanaged code.

Inheritance Hierarchy

System.Object
System.Attribute
System.Runtime.InteropServices.MarshalAsAttribute

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

Syntax

'Declaration
<AttributeUsageAttribute(AttributeTargets.Field Or AttributeTargets.Parameter Or AttributeTargets.ReturnValue, Inherited := False)> _
<ComVisibleAttribute(True)> _
Public NotInheritable Class MarshalAsAttribute _
    Inherits Attribute

[AttributeUsageAttribute(AttributeTargets.Field|AttributeTargets.Parameter|AttributeTargets.ReturnValue, Inherited = false)]
[ComVisibleAttribute(true)]
public sealed class MarshalAsAttribute : Attribute

The MarshalAsAttribute type exposes the following members.

Constructors

	Name	Description
	MarshalAsAttribute(Int16)	Initializes a new instance of the MarshalAsAttribute class with the specified UnmanagedType value.
	MarshalAsAttribute(UnmanagedType)	Initializes a new instance of the MarshalAsAttribute class with the specified UnmanagedType enumeration member.

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Properties

	Name	Description
	Value	Gets the UnmanagedType value the data is to be marshaled as.

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Methods

	Name	Description
	Equals	Infrastructure. Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Returns the hash code for this instance. (Inherited from Attribute.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	Match	When overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Fields

	Name	Description
	ArraySubType	Specifies the element type of the unmanaged UnmanagedType.LPArray or UnmanagedType.ByValArray.
	MarshalCookie	Provides additional information to a custom marshaler.
	MarshalType	Specifies the fully qualified name of a custom marshaler.
	MarshalTypeRef	Implements MarshalAsAttribute.MarshalType as a type.
	SizeConst	Indicates the number of elements in the fixed-length array or the number of characters (not bytes) in a string to import.
	SizeParamIndex	Indicates which parameter contains the count of array elements, much like size_is in COM, and is zero-based.

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Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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