VAPIMWP_PRINT_CANPRINT
Determines whether the document can be printed. This is a parameter of the VAPIM_PRINT
message.
Syntax
#include <kvvapi.h> SendMessage(hWndVAPI, VAPIM_PRINT, VAPIMWP_PRINT_CANPRINT, (LPARAM) (BOOL*) lpbCanPrint );
Arguments
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. |
Returns
SendMessage()
returnsTRUE
if the call succeeds, in which caselpbCanPrint
returnsTRUE
orFALSE
.SendMessage()
returnsFALSE
if the call fails (for example, if there are invalid arguments or if no document is open), in which caselpbCanPrint
is undefined.
Discussion
Use this message to control the state of a Print menu item or toolbar button.