Article
11/18/2011

StructLayoutAttribute 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.

The StructLayoutAttribute class allows the user to control the physical layout of the data fields of a class or structure.

Inheritance Hierarchy

System.Object
System.Attribute
System.Runtime.InteropServices.StructLayoutAttribute

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

Syntax

'Declaration
<AttributeUsageAttribute(AttributeTargets.Class Or AttributeTargets.Struct, Inherited := False)> _
<ComVisibleAttribute(True)> _
Public NotInheritable Class StructLayoutAttribute _
    Inherits Attribute

[AttributeUsageAttribute(AttributeTargets.Class|AttributeTargets.Struct, Inherited = false)]
[ComVisibleAttribute(true)]
public sealed class StructLayoutAttribute : Attribute

The StructLayoutAttribute type exposes the following members.

Constructors

	Name	Description
	StructLayoutAttribute	Initalizes a new instance of the StructLayoutAttribute class with the specified System.Runtime.InteropServices.LayoutKind enumeration member.

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Properties

	Name	Description
	Value	Gets the LayoutKind value that specifies how the class or structure is arranged.

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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
	CharSet	Indicates how string data fields within the class should be marshaled as LPWSTR or LPSTR by default.
	Pack	Controls the alignment of data fields of a class or structure in memory.
	Size	Indicates the absolute size of the class or structure.

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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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