# VAPIMWP_VIEW_GETGRIDLINES

Gets the gridlines state of the document. This is a parameter of the `VAPIM_VIEW` message.

## Syntax

    #include <kvvapi.h>
    SendMessage(hWndVAPI, VAPIM_VIEW, VAPIMWP_VIEW_GETGRIDLINES,
               (LPARAM) (BOOL*) lpbGridlines );

## Arguments

Argument | Description
--- | ---
`hWndVAPI` | The handle of the VAPI window.
`lpbGridlines` | A pointer to a flag that returns `TRUE` or `FALSE`, depending on whether the document has gridlines set.

## Returns

- `SendMessage()` returns `TRUE` if the call succeeds, in which case `lpbGridlines` 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 `lpbGridlines` is undefined.

## Discussion

Use this message to set the state of a Toggle Gridlines menu item or toolbar button.

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