VAPIMWP_VIEW_CANGRIDLINES
Determines whether the document supports gridlines. This is a parameter of the VAPIM_VIEW message.
Syntax
#include <kvvapi.h> SendMessage(hWndVAPI, VAPIM_VIEW, VAPIMWP_VIEW_CANGRIDLINES, (LPARAM) (BOOL*) lpbCanGridlines );
Arguments
| Argument | Description |
|---|---|
hWndVAPI
|
The handle of the VAPI window. |
lpbCanGridlines
|
A pointer to a flag that returns TRUE or FALSE, depending on whether the document supports gridlines. |
Returns
SendMessage()returnsTRUEif the call succeeds, in which caselpbCanGridlinesreturnsTRUEorFALSE.SendMessage()returnsFALSEif the call fails (for example, if there are invalid arguments or if no document is open), in which caselpbCanGridlinesis undefined.
Discussion
Use this message to control the state of a Toggle Gridlines menu item or toolbar button.