private void ExtendGlass()
{
try
{
var pointer = new WindowInteropHelper(this).Handle;
var hwndSource = HwndSource.FromHwnd(pointer);
Background = Brushes.Transparent;
hwndSource.CompositionTarget.BackgroundColor = Color.FromArgb(0, 0, 0, 0);
var margins = new MARGINS
{
cxLeftWidth = -1,
cxRightWidth = -1,
cyBottomHeight = -1,
cyTopHeight = -1
};
var result = NativeWindow.DwmExtendFrameIntoClientArea(hwndSource.Handle, ref margins);
//if(result < 0)
//Failed extending.
}
catch (Exception)
{
//Not vista or 7
Background = Brushes.White;
}
}
public static extern int DwmExtendFrameIntoClientArea(
IntPtr hwnd,
ref MARGINS pMarInset);
public static extern int DwmExtendFrameIntoClientArea(
IntPtr hwnd,
ref MARGINS pMarInset);