Checks to see whether the given parameter is null (Nothing in Visual Basic).
Syntax
Parameters
- errorId
- The unique error ID to use if an exception needs to be thrown.
- paramName
- The name of the parameter that contains the index value to check.
- val
- The value of the parameter to be verified.
Exceptions
Requirements
Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family
See Also