VAPIMWP_VIEW_CANMAGNIFY
Determines whether the document can be magnified. This is a parameter of the VAPIM_VIEW
message.
Syntax
#include <kvvapi.h> SendMessage(hWndVAPI, VAPIM_VIEW, VAPIMWP_VIEW_CANMAGNIFY, (LPARAM) (BOOL*) lpbCanMagnify );
Arguments
Argument | Description |
---|---|
hWndVAPI
|
The handle of the VAPI window. |
lpbCanMagnify
|
A pointer to a flag that returns TRUE or FALSE , depending on whether the document can be magnified. |
Returns
SendMessage()
returnsTRUE
if the call succeeds, in which caselpbCanMagnify
returnsTRUE
orFALSE
.SendMessage()
returnsFALSE
if the call (for example, if there are invalid arguments or if no document is open), in which caselpbCanMagnify
is undefined.
Discussion
Use this message to control the state of a Magnify menu item or toolbar button.