Determines whether the document can be printed. This is a parameter of the VAPIM_PRINT
message.
#include <kvvapi.h> SendMessage(hWndVAPI, VAPIM_PRINT, VAPIMWP_PRINT_CANPRINT, (LPARAM) (BOOL*) lpbCanPrint );
Argument | Description |
---|---|
hWndVAPI
|
The handle of the VAPI window. |
lpbCanPrint
|
A pointer to a flag that returns TRUE or FALSE , depending on whether the document can be printed. |
SendMessage()
returns TRUE
if the call succeeds, in which case lpbCanPrint
returns TRUE
or FALSE
.SendMessage()
returns FALSE
if the call fails (for example, if there are invalid arguments or if no document is open), in which case lpbCanPrint
is undefined.Use this message to control the state of a Print menu item or toolbar button.
|