HMONITOR APIENTRY NtUserMonitorFromWindow	(	IN HWND	hWnd,
		IN DWORD	dwFlags
	)

Definition at line 926 of file monitor.c.

Referenced by MonitorFromWindow().

{
    PWND pWnd;
    HMONITOR hMonitor = NULL;
    RECTL Rect = {0, 0, 0, 0};

    TRACE("Enter NtUserMonitorFromWindow\n");

    /* Check if flags are valid */
    if (dwFlags != MONITOR_DEFAULTTONULL &&
        dwFlags != MONITOR_DEFAULTTOPRIMARY &&
        dwFlags != MONITOR_DEFAULTTONEAREST)
    {
        EngSetLastError(ERROR_INVALID_FLAGS);
        return NULL;
    }

    UserEnterShared();

    /* If window is given, use it first */
    if (hWnd)
    {
        /* Get window object */
        pWnd = UserGetWindowObject(hWnd);
        if (!pWnd)
            goto cleanup;

        /* Find only monitors which have intersection with given window */
        Rect.left = Rect.right = pWnd->rcWindow.left;
        Rect.top = Rect.bottom = pWnd->rcWindow.bottom;
    }

    /* Find monitors now */
    IntGetMonitorsFromRect(&Rect, &hMonitor, NULL, 1, dwFlags);

cleanup:
    TRACE("Leave NtUserMonitorFromWindow, ret=%p\n", hMonitor);
    UserLeave();
    return hMonitor;
}

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