private void EnableBlurBehind()
{
// Enables Windows 7 blur behind whole form
var options = new BlurBehind(true);
NativeMethods.DwmEnableBlurBehindWindow(this.Handle, ref options);
}
public static void DisableBlurBehind(IntPtr hWnd)
{
BlurBehind bb = new BlurBehind();
bb.dwFlags = BlurBehindFlags.Enable;
bb.fEnable = false;
NativeMethods.DwmEnableBlurBehindWindow(hWnd, ref bb);
}
public static void DisableBlurBehind(IntPtr hWnd)
{
BlurBehind pBlurBehind = new BlurBehind();
pBlurBehind.dwFlags = BlurBehindFlags.Enable;
pBlurBehind.fEnable = false;
Win32API.DwmEnableBlurBehindWindow(hWnd, ref pBlurBehind);
}
protected override void OnContentRendered(EventArgs e)
{
base.OnContentRendered(e);
BlurBehind.EnableBlur(mainWindow);
element.RenderTransformOrigin = new Point(0.5, 0.5);
}
/// <summary>Enable the Aero "Blur Behind" effect on the whole client area. Background must be black.</summary>
public static void EnableBlurBehind(IntPtr hWnd)
{
BlurBehind bb = new BlurBehind();
bb.dwFlags = BlurBehindFlags.Enable;
bb.fEnable = true;
bb.hRgnBlur = (IntPtr)0;
NativeMethods.DwmEnableBlurBehindWindow(hWnd, ref bb);
}
/// <summary>Enable the Aero "Blur Behind" effect on the whole client area. Background must be black.</summary>
public static void EnableBlurBehind(IntPtr hWnd, IntPtr regionHandle)
{
BlurBehind bb = new BlurBehind();
bb.dwFlags = BlurBehindFlags.Enable | BlurBehindFlags.BlurRegion;
bb.fEnable = true;
bb.hRgnBlur = regionHandle;
NativeMethods.DwmEnableBlurBehindWindow(hWnd, ref bb);
}
private static void EnableBlurBehindWindow(IntPtr handle, ref BlurBehind blurStr)
{
if (!IsCompositionEnable())
{
return;
}
DwmEnableBlurBehindWindow(handle, ref blurStr);
}
public static void EnableBlurBehind(IntPtr hWnd)
{
BlurBehind pBlurBehind = new BlurBehind();
pBlurBehind.dwFlags = BlurBehindFlags.Enable;
pBlurBehind.fEnable = true;
pBlurBehind.hRgnBlur = IntPtr.Zero;
Win32API.DwmEnableBlurBehindWindow(hWnd, ref pBlurBehind);
}
private static void EnableBlurBehindWindow(Form form, ref BlurBehind blurStr)
{
if (!IsCompositionEnable())
{
return;
}
EnableBlurBehindWindow(form.Handle, ref blurStr);
}
public static void EnableBlurBehind(IntPtr hWnd, IntPtr regionHandle)
{
BlurBehind pBlurBehind = new BlurBehind();
pBlurBehind.dwFlags = BlurBehindFlags.BlurRegion | BlurBehindFlags.Enable;
pBlurBehind.fEnable = true;
pBlurBehind.hRgnBlur = regionHandle;
Win32API.DwmEnableBlurBehindWindow(hWnd, ref pBlurBehind);
}
private void HackBlurBehind()
{
// Enables transparency, but without blur.
// Technicaly, it's still there, but it's outside of visible region
var options = new BlurBehind(true);
using (var g = this.CreateGraphics()) {
using (var r = new Region(new Rectangle(-1, -1, 1, 1))) {
options.SetRegion(g, r);
}
}
NativeMethods.DwmEnableBlurBehindWindow(this.Handle, ref options);
}
/// <summary>
/// Enable the Aero "Blur Behind" effect on a specific region of a drawing area. Background must be black.
/// </summary>
/// <param name="window">The window.</param>
/// <param name="graphics">The graphics area on which the region resides.</param>
/// <param name="region">The region within the client area to apply the blur behind.</param>
/// <param name="enabled"><c>true</c> to enable blur behind for this region, <c>false</c> to disable it.</param>
/// <param name="transitionOnMaximized"><c>true</c> if the window's colorization should transition to match the maximized windows; otherwise, <c>false</c>.</param>
public static void EnableBlurBehind(this IWin32Window window, System.Drawing.Graphics graphics, System.Drawing.Region region, bool enabled, bool transitionOnMaximized)
{
BlurBehind bb = new BlurBehind(enabled);
if (graphics != null && region != null)
{
bb.SetRegion(graphics, region);
}
if (transitionOnMaximized)
{
bb.TransitionOnMaximized = true;
}
DwmEnableBlurBehindWindow(window.Handle, ref bb);
}
public static void EnableBlurBehindWindow(Form form, Rectangle rect)
{
if (!IsCompositionEnable())
{
return;
}
BlurBehind blurStr = new BlurBehind();
blurStr.Enable = true;
blurStr.Flags = BlurBehindEnum.DWM_BB_ENABLE | BlurBehindEnum.DWM_BB_TRANSITIONONMAXIMIZED | BlurBehindEnum.DWM_BB_BLURREGION;
blurStr.RgnBlur = CreateRegionFromRectangle(rect);
blurStr.TransitionOnMaximized = false;
EnableBlurBehindWindow(form, ref blurStr);
}
public static void EnableBlurBehindWindow(IntPtr handle, bool isEnabled, bool isMaximized, IntPtr region = default(IntPtr))
{
if (!IsDwmCompositionEnabled)
{
return;
}
BlurBehind data = new BlurBehind
{
IsEnabled = isEnabled,
IsTransitionOnMaximized = isMaximized,
Region = region
};
data.Flags = BlurBehindFlags.Enable | BlurBehindFlags.TransitionOnMaximized;
if (region != IntPtr.Zero)
{
data.Flags |= BlurBehindFlags.Region;
}
_DwmEnableBlurBehindWindow(handle, ref data);
}
internal static extern void DwmEnableBlurBehindWindow(IntPtr hWnd, ref BlurBehind pBlurBehind);
private static extern void _DwmEnableBlurBehindWindow(IntPtr handle, ref BlurBehind blurBehind);
public static extern int DwmEnableBlurBehindWindow(IntPtr hWnd, ref BlurBehind pBlurBehind);
void OnPreRender()
{
BlurBehind.SetViewport();
}
private static extern void DwmEnableBlurBehindWindow(IntPtr hwnd, ref BlurBehind blurBehind);
internal static extern int DwmEnableBlurBehindWindow(IntPtr hWnd, ref BlurBehind pBlurBehind);
/// <summary>
/// Enable the Aero "Blur Behind" effect on a specific region of a drawing area. Background must be black.
/// </summary>
/// <param name="window">The window.</param>
/// <param name="graphics">The graphics area on which the region resides.</param>
/// <param name="region">The region within the client area to apply the blur behind.</param>
/// <param name="enabled"><c>true</c> to enable blur behind for this region, <c>false</c> to disable it.</param>
/// <param name="transitionOnMaximized"><c>true</c> if the window's colorization should transition to match the maximized windows; otherwise, <c>false</c>.</param>
public static void EnableBlurBehind(this IWin32Window window, System.Drawing.Graphics graphics, System.Drawing.Region region, bool enabled, bool transitionOnMaximized)
{
BlurBehind bb = new BlurBehind(enabled);
if (graphics != null && region != null)
bb.SetRegion(graphics, region);
if (transitionOnMaximized)
bb.TransitionOnMaximized = true;
DwmEnableBlurBehindWindow(window.Handle, ref bb);
}
public static extern void DwmEnableBlurBehindWindow(IntPtr hWnd, ref BlurBehind pBlurBehind);
void OnPostRender()
{
BlurBehind.ResetViewport();
}
