VAPIMWP_VIEW_CANPREVIEWPANE
Determines whether a file can be viewed in a preview pane. The message indicates TRUE
only when container formats such as ZIP, TAR, or PST files are viewed.
To determine whether the preview pane is being used, use the VAPIMWP_VIEW_GETPREVIEWPANE
message.
To specify if the preview pane should be used, use the VAPIMWP_VIEW_SETPREVIEWPANE
message.
This is a parameter of the VAPIM_VIEW
message.
Syntax
#include <kvvapi.h> SendMessage(hWndVAPI, VAPIM_VIEW, VAPIMWP_VIEW_CANPREVIEWPANE, (LPARAM) (BOOL*) lpbCanPreviewPane );
Arguments
Argument | Description |
---|---|
hWndVAPI
|
The handle of the VAPI window. |
lpbCanPreviewPane
|
A pointer to a flag that returns Only container files use the preview pane. |
Returns
SendMessage()
returnsTRUE
if the call succeeds, in which caselpbCanPreviewPane
returnsTRUE
orFALSE
.SendMessage()
returnsFALSE
if the call fails (for example, if there are invalid arguments or if no document is open), in which caselpbCanPreviewPane
is undefined.