VAPIMWP_VIEW_CANINCREASEFONT

Determines whether the document font can be increased. If lpbCanIncreaseFont is TRUE, the font size can be increased by using the VAPIMWP_VIEW_INCREASEFONT message. This is a parameter of the VAPIM_VIEW message.

Syntax

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

Arguments

Argument Description
hWndVAPI The handle of the VAPI window.
lpbCanIncreaseFont A pointer to a flag that returns TRUE or FALSE, depending on whether the document font size can be increased.

Returns

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

Discussion

Use this message to control the state of an Increase Font menu item or toolbar button.