VAPIMWP_VIEW_CANFITTOWINDOW

Determines whether the document can be magnified to fit the document selection to the window. This is a parameter of the VAPIM_VIEW message.

Syntax

#include <kvvapi.h>
SendMessage(hWndVAPI, VAPIM_VIEW, VAPIMWP_VIEW_CANFITTOWINDOW,
           (LPARAM) (BOOL*) lpbCanFitToWindow );

Arguments

Argument Description
hWndVAPI The handle of the VAPI window.
lpbCanFitToWindow A pointer to a flag that returns TRUE or FALSE, depending on whether the document has a selection, and whether the document can be magnified to fit the selection to the window.

Returns

  • SendMessage() returns TRUE if the call succeeds, in which case lpbCanFitToWindow 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 lpbCanFitToWindow is undefined.

Discussion

Use this message to control the state of a Magnify menu item or toolbar button.