private void SetGlass()
{
IsCompositionEnabled = DesktopWindowManager.IsCompositionEnabled;
if (ParentWindow != null)
{
if (IsCompositionEnabled)
{
orinalWindowBackground = ParentWindow.Background;
ParentWindow.Background = Brushes.Transparent;
HwndSource.CompositionTarget.BackgroundColor = Colors.Transparent;
Matrix dpiMatrix = HwndSource.CompositionTarget.TransformToDevice;
double dpiY = dpiMatrix.M22;
// Create a margin structure
var margins = new WinApi.Margins
{
Left = 0,
Right = 0,
Top = (int)Math.Round(this.ActualHeight * dpiY, MidpointRounding.AwayFromZero),
Bottom = 0
};
DesktopWindowManager.ExtendFrameIntoClientArea(HwndSource.Handle, ref margins);
}
DesktopWindowManager.SetTitleAndIconVisibility(HwndSource.Handle, false);
}
}
private void ResetGlass()
{
if (ParentWindow != null)
{
if (IsCompositionEnabled)
{
ParentWindow.Background = orinalWindowBackground;
DesktopWindowManager.ResetGlass(HwndSource.Handle);
}
DesktopWindowManager.SetTitleAndIconVisibility(HwndSource.Handle, true);
}
}