Exemple #1
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="window"></param>
        /// <returns></returns>
        public static Point GetMonitorSize(Window window)
        {
            // Get handle for nearest monitor to this window
            WindowInteropHelper wih = new WindowInteropHelper(window);
            IntPtr hMonitor         = WinApi.MonitorFromWindow(wih.Handle, WinApi.MONITOR_DEFAULTTONEAREST);

            // Get monitor info
            WinApi.MonitorInfoEx monitorInfo = new WinApi.MonitorInfoEx();
            monitorInfo.cbSize = Marshal.SizeOf(monitorInfo);
            WinApi.GetMonitorInfo(new HandleRef(window, hMonitor), monitorInfo);

            // Create working area dimensions, converted to DPI-independent values
            HwndSource source = HwndSource.FromHwnd(wih.Handle);

            if (source == null)
            {
                return(new Point());                // Should never be null
            }
            if (source.CompositionTarget == null)
            {
                return(new Point());                                  // Should never be null
            }
            Matrix matrix = source.CompositionTarget.TransformFromDevice;

            WinApi.Rect workingArea = monitorInfo.rcWork;

            Point dpiIndependentSize = matrix.Transform(new Point(workingArea.Right - workingArea.Left, workingArea.Bottom - workingArea.Top));

            return(dpiIndependentSize);
        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="window"></param>
        /// <returns></returns>
        public static Point GetMonitorSize(Window window)
        {
            // Get handle for nearest monitor to this window
            WindowInteropHelper wih = new WindowInteropHelper(window);
            IntPtr hMonitor = WinApi.MonitorFromWindow(wih.Handle, WinApi.MONITOR_DEFAULTTONEAREST);

            // Get monitor info
            WinApi.MonitorInfoEx monitorInfo = new WinApi.MonitorInfoEx();
            monitorInfo.cbSize = Marshal.SizeOf(monitorInfo);
            WinApi.GetMonitorInfo(new HandleRef(window, hMonitor), monitorInfo);

            // Create working area dimensions, converted to DPI-independent values
            HwndSource source = HwndSource.FromHwnd(wih.Handle);

            if (source == null) return new Point(); // Should never be null

            if (source.CompositionTarget == null) return new Point(); // Should never be null

            Matrix matrix = source.CompositionTarget.TransformFromDevice;
            WinApi.Rect workingArea = monitorInfo.rcWork;

            Point dpiIndependentSize = matrix.Transform(new Point(workingArea.Right - workingArea.Left, workingArea.Bottom - workingArea.Top));

            return dpiIndependentSize;
        }