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OpCodes.Sizeof Field

Pushes the size, in bytes, of a supplied value type onto the evaluation stack.

Namespace:  System.Reflection.Emit
Assembly:  mscorlib (in mscorlib.dll)

public static readonly OpCode Sizeof

The following table lists the instruction's hexadecimal and Microsoft Intermediate Language (MSIL) assembly format, along with a brief reference summary:

Format

Assembly Format

Description

FE 1C < T >

sizeof valType

Push the size, in bytes, of a value type as an unsigned int32.

The stack transitional behavior, in sequential order, is:

  1. The size (in bytes) of the supplied value type (valType) is pushed onto the stack.

ValType must be a metadata token (a typeref or typedef) that specifies a value type.

The following Emit method overload can use the sizeof opcode:

  • ILGenerator.Emit(OpCode, Type)

.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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