Kbase 15071: How to Pass NULL to a DLL (Windows)
| Autor |
Progress Software Corporation - Progress |
| Acesso |
Público |
| Publicação |
5/10/1998 |
|
How to Pass NULL to a DLL (Windows)
To pass a NULL value to a DLL in WIndows, you must do the following:
PROCEDURE DLLfunction EXTERNAL anysystem.dll:
DEFINE INPUT PARAMETER MyNullValue AS LONG.
END PROCEDURE.
RUN DLLfunction (INPUT 0).
Progress Software Technical Support Note # 15071