VAPIMWP_DRAW_SHUTDOWN

Before a new document is opened, this frees up any data from a previously opened document. This is a parameter of the VAPIM_DRAW message.

Syntax

SendMessage(g_hWndVAPI, VAPIM_DRAW, DRAW_SHUTDOWN, 0L );

Arguments

Argument Description
g_hWndVapi The handle of the VAPI window
uMsg VAPIM_DRAW
wParam VAPIMWP_DRAW_SHUTDOWN
lParam Not used, set to 0

Returns

SendMessage() returns:

  • VAPI_RETURN_SUCCESS (or TRUE, value 1) if the call succeeds.
  • VAPI_RETURN_NOT_INITIALIZED (value 5) if the drawing routines have not been initialized.
  • VAPI_RETURN_ERROR (or FALSE, value 0) if the call fails.

Discussion

VAPIM_DRAW messages are used in the sample drawdemo program.