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