Determines whether content is selected in the currently opened document and can be copied to the clipboard. This is a parameter of the VAPIM_EDIT
message.
#include <kvvapi.h> SendMessage( hWndVAPI, VAPIM_EDIT, VAPIMWP_EDIT_CANCOPY, (LPARAM) (BOOL*) lpbCanCopy );
Argument | Description |
---|---|
hWndVAPI
|
The handle of the VAPI window. |
lpbCanCopy
|
A pointer to a flag that returns TRUE or FALSE , depending on whether the document contains a selection that you can copy. |
SendMessage()
returns TRUE
if the call succeeds, in which case lpbCanCopy
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 lpbCanCopy
is undefined.Use this message to control the state of a Copy menu item or toolbar button.
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