FirstFloor.ModernUI.Windows.Controls.DpiAwareWindow.RefreshMonitorDpi C# (CSharp) Method

        protected void RefreshMonitorDpi() {
            RescaleIfNeeded();
            if (!_isPerMonitorDpiAware) {
                return;
            }

            // get the current DPI of the monitor of the window
            var monitor = NativeMethods.MonitorFromWindow(_source.Handle, NativeMethods.MONITOR_DEFAULTTONEAREST);

            uint xDpi = 96;
            uint yDpi = 96;
            if (NativeMethods.GetDpiForMonitor(monitor, (int)MonitorDpiType.EffectiveDpi, ref xDpi, ref yDpi) != NativeMethods.S_OK) {
                xDpi = 96;
                yDpi = 96;
            }

            // vector contains the change of the old to new DPI
            var dpiVector = DpiInformation.UpdateMonitorDpi(xDpi, yDpi);

            // update Width and Height based on the current DPI of the monitor
            UpdateWindowSize(Width * dpiVector.X, Height * dpiVector.Y);

            // update graphics and text based on the current DPI of the monitor
            UpdateLayoutTransform();
        }