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.
#include <kvvapi.h> SendMessage(hWndVAPI, VAPIM_VIEW, VAPIMWP_VIEW_CANPREVIEWPANE, (LPARAM) (BOOL*) lpbCanPreviewPane );
Argument | Description |
---|---|
hWndVAPI
|
The handle of the VAPI window. |
lpbCanPreviewPane
|
A pointer to a flag that returns Only container files use the preview pane. |
SendMessage()
returns TRUE
if the call succeeds, in which case lpbCanPreviewPane
returns TRUE
or FALSE
.SendMessage()
returns FALSE
if the call fails (for example, if there are invalid arguments or if no document is open), in which case lpbCanPreviewPane
is undefined.
|