VAPIMWP_INIT_GETHWNDVIEWER
Gets the handle of the Viewer window. This is a parameter of the VAPIM_INIT message.
Syntax
#include <kvvapi.h> SendMessage(hWndVAPI, VAPIM_INIT, VAPIMWP_INIT_GETHWNDVIEWER, (LPARAM) (HWND*) lphWndViewer );
Arguments
| Argument | Description |
|---|---|
hWndVAPI
|
The handle of the VAPI window. |
lphWndViewer
|
A pointer to a handle that returns the Viewer window handle. |
Returns
SendMessage() returns TRUE if the Viewer window exists; otherwise it returns FALSE.
Discussion
You must send this message after you send the VAPIMWP_INIT_OPEN_DOCUMENT message to open the document, otherwise the Viewer window does not exist yet.