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 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.