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(orTRUE, value1) if the call succeeds.VAPI_RETURN_NOT_INITIALIZED(value5) if the drawing routines have not been initialized.VAPI_RETURN_ERROR(orFALSE, value0) if the call fails.
Discussion
VAPIM_DRAW messages are used in the sample drawdemo program.