/// <summary>
/// ResetBlur
/// Resets the blur on the Window/form
/// </summary>
/// <param name="windowHandle">Handle to client window/form</param>
internal static void ResetBlur(IntPtr windowHandle)
{
// Create and populate the BlurBehind structure
SafeNativeMethods.DWM_BLURBEHIND blurBehind = new SafeNativeMethods.DWM_BLURBEHIND();
blurBehind.fEnable = false;
blurBehind.dwFlags = SafeNativeMethods.DwmBlurBehindDwFlags.DWM_BB_ENABLE | SafeNativeMethods.DwmBlurBehindDwFlags.DWM_BB_BLURREGION;
blurBehind.hRgnBlur = IntPtr.Zero;
UnsafeNativeMethods.DwmEnableBlurBehindWindow(windowHandle, ref blurBehind);
}
internal static extern int DwmEnableBlurBehindWindow(
IntPtr hwnd,
ref SafeNativeMethods.DWM_BLURBEHIND bb);
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;
}