• Article

Marshal.SizeOf Method (Object)

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

This type can be used only by trusted applications. If you try to use its members in a partial-trust application, your code will throw a MethodAccessException exception. This type is security-critical, which restricts its use.

[SECURITY CRITICAL]

Returns the unmanaged size of an object in bytes.

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

Syntax

'Declaration
<ComVisibleAttribute(True)> _
Public Shared Function SizeOf ( _
    structure As Object _
) As Integer

[ComVisibleAttribute(true)]
public static int SizeOf(
    Object structure
)

Parameters

  • structure
    Type: System.Object
    The object whose size is to be returned.

Return Value

Type: System.Int32
The size of the structure parameter in unmanaged code.

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.