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