Pushes a null reference (type O) onto the evaluation stack.
Assembly: mscorlib (in mscorlib.dll)
The following table lists the instruction's hexadecimal and Microsoft Intermediate Language (MSIL) assembly format, along with a brief reference summary:
push a null reference onto the stack
The stack transitional behavior, in sequential order, is:
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:
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.