Gets the default size of a page. This is a parameter of the VAPIM_DRAW
message.
#include <kvvapi.h> SendMessage(hWndVAPI, VAPIM_DRAW, VAPIMWP_DRAW_GETPAGESIZE, (LPARAM) (TPVAPIPageSize*) pPageSize );
Argument | Description |
---|---|
hWndVAPI
|
The handle of the VAPI window. |
pPageSize
|
A pointer to a TPVAPIPageSize structure which contains information on the page size. |
SendMessage() returns:
VAPI_RETURN_SUCCESS
if the call succeeds.
VAPI_RETURN_NOT_INITIALIZED
if the drawing routines have not been initialized.
VAPI_RETURN_NO_PAGE
if the requested page does not exist or is being displayed before all previous pages have been displayed.
VAPI_RETURN_NOT_AVAILABLE
if the document does not support this feature (for example, ZIP files, video, audio).
VAPI_RETURN_ERROR
if an error has occurred.
Before you send this message:
Initialize VAPI by sending the VAPIMWP_DRAW_INIT message.
Open the document by sending the VAPIMWP_INIT_OPEN_DOCUMENT message.
Send the VAPIMWP_DRAW_DRAWPAGE message to draw the page.
|