private static extern IntPtr MonitorFromRect( ref RECT lprc, MONITOR_DEFAULTTO dwFlags);
private static extern IntPtr MonitorFromWindow( IntPtr hwnd, MONITOR_DEFAULTTO dwFlags);
private static extern IntPtr MonitorFromPoint( POINT pt, MONITOR_DEFAULTTO dwFlags);
internal static extern IntPtr MonitorFromWindow(IntPtr hwnd, MONITOR_DEFAULTTO dwFlags);
public static extern IntPtr MonitorFromWindow(HandleRef handle, MONITOR_DEFAULTTO flags);
public static extern IntPtr MonitorFromRect(ref RECT rect, MONITOR_DEFAULTTO flags);
public static extern IntPtr MonitorFromPoint(POINTSTRUCT pt, MONITOR_DEFAULTTO flags);