OpCodes.Ldnull Field

 

Pushes a null reference (type O) onto the evaluation stack.

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

public static readonly OpCode Ldnull

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

14

ldnull

push a null reference onto the stack

The stack transitional behavior, in sequential order, is:

  1. A null object reference is pushed onto the stack.

ldnull pushes a null reference (type O) on the stack. This is used to initialize locations before they are populated with data, or when they become deprecated.

ldnull provides a null reference that is size-independent.

The following Emit method overload can use the ldnull opcode:

  • ILGenerator.Emit(OpCode)

Universal Windows Platform
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.1
Windows Phone
Available since 8.1
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