VAPIMWP_VIEW_GETMAGNIFY

Gets the magnification of the document. This is a parameter of the VAPIM_VIEW message.

Syntax

#include <kvvapi.h>
SendMessage(hWndVAPI, VAPIM_VIEW, VAPIMWP_VIEW_GETMAGNIFY,
           (LPARAM) (int*) lpnMagnify );

Arguments

Argument Description
hWndVAPI The handle of the VAPI window.
lpnMagnify

A pointer to an integer that returns the document magnification:

  • 0 – Custom
  • -1 – Page width
  • -2 – Page size
  • -3 – Fit selection to window

Returns

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

Discussion

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