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