/// <summary>Enable the Aero "Blur Behind" effect on the whole client area. Background must be black.</summary>
public static void EnableBlurBehind(IntPtr hWnd) {
if (!OsSupport.IsVistaOrBetter || !OsSupport.IsCompositionEnabled)
return;
NativeMethods.BlurBehind bb = new NativeMethods.BlurBehind();
bb.dwFlags = NativeMethods.BlurBehindFlags.Enable;
bb.fEnable = true;
bb.hRgnBlur = (IntPtr)0;
NativeMethods.DwmEnableBlurBehindWindow(hWnd, ref bb);
}
/// <summary>Disables the Aero "Blur Behind" effect.</summary>
public static void DisableBlurBehind(IntPtr hWnd)
{
if (!OsSupport.IsVistaOrBetter || !OsSupport.IsCompositionEnabled)
{
return;
}
NativeMethods.BlurBehind bb = new NativeMethods.BlurBehind();
bb.dwFlags = NativeMethods.BlurBehindFlags.Enable;
bb.fEnable = false;
NativeMethods.DwmEnableBlurBehindWindow(hWnd, ref bb);
}
/// <summary>Enable the Aero "Blur Behind" effect on a specific region. Background of the region must be black.</summary>
public static void EnableBlurBehind(IntPtr hWnd, IntPtr regionHandle)
{
if (!OsSupport.IsVistaOrBetter || !OsSupport.IsCompositionEnabled)
{
return;
}
NativeMethods.BlurBehind bb = new NativeMethods.BlurBehind();
bb.dwFlags = NativeMethods.BlurBehindFlags.Enable | NativeMethods.BlurBehindFlags.BlurRegion;
bb.fEnable = true;
bb.hRgnBlur = regionHandle;
NativeMethods.DwmEnableBlurBehindWindow(hWnd, ref bb);
}