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()returnsTRUEif the call succeeds, in which caselpbCanPrintreturnsTRUEorFALSE.SendMessage()returnsFALSEif the call fails (for example, if there are invalid arguments or if no document is open), in which caselpbCanPrintis undefined.
Discussion
Use this message to control the state of a Print menu item or toolbar button.