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() returns TRUE if the call succeeds, in which case lpbCanLayout returns TRUE or FALSE.
  • SendMessage() returns FALSE if the call fails (for example, if there are invalid arguments or if no document is open), in which case lpbCanLayout 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.