internal static extern int DrawCaption(
// Handle to window.
IntPtr hwnd,
// Handle to device context.
IntPtr hdc,
// Rectangle to draw in.
ref SafeNativeMethods.RECT lprc,
// drawing options.
int uFlags
);
internal static extern int GetClientRect(
IntPtr hwnd,
ref SafeNativeMethods.RECT rect);
void ActivateGlass()
{
PresentationSource p = PresentationSource.FromVisual(this);
HwndSource s_hwndSource = p as HwndSource;
if (s_hwndSource != null)
{
s_hwndSource.CompositionTarget.BackgroundColor = Color.FromArgb(0, 0, 0, 0);
handle = s_hwndSource.Handle;
}
SafeNativeMethods.RECT r = new SafeNativeMethods.RECT();
UnsafeNativeMethods.GetClientRect(handle, ref r);
IntPtr hrgn = UnsafeNativeMethods.CreateRectRgn(0, 0, 1, 1);
SafeNativeMethods.DWM_BLURBEHIND bb = new SafeNativeMethods.DWM_BLURBEHIND();
bb.dwFlags = SafeNativeMethods.DwmBlurBehindDwFlags.DWM_BB_ENABLE | SafeNativeMethods.DwmBlurBehindDwFlags.DWM_BB_BLURREGION;
bb.fEnable = true;
bb.hRgnBlur = hrgn;
UnsafeNativeMethods.DwmEnableBlurBehindWindow(handle, ref bb);
SafeNativeMethods.MARGINS mar = new SafeNativeMethods.MARGINS();
mar.cyTopHeight = 37;
UnsafeNativeMethods.DwmExtendFrameIntoClientArea(handle, ref mar);
//Need to make the Window size dirty.
this.WindowState = WindowState.Minimized;
this.WindowState = WindowState.Normal;
}