/// <summary>
/// Resets the AeroGlass exclusion area.
/// </summary>
public void ResetAreoGlass( )
{
if( this.Handle != IntPtr.Zero )
{
MARGINS margins = new MARGINS( true );
DesktopWindowManagerNativeMethods.DwmExtendFrameIntoClientArea( this.Handle, ref margins );
}
}
/// <summary>
/// Excludes a Control from the AeroGlass frame.
/// </summary>
/// <param name="control">The control to exclude.</param>
/// <remarks>Many non-WPF rendered controls (i.e., the ExplorerBrowser control) will not
/// render properly on top of an AeroGlass frame. </remarks>
public void ExcludeControlFromAeroGlass( Control control )
{
if( AeroGlassCompositionEnabled )
{
Rectangle clientScreen = this.RectangleToScreen( this.ClientRectangle );
Rectangle controlScreen = control.RectangleToScreen( control.ClientRectangle );
MARGINS margins = new MARGINS( );
margins.cxLeftWidth = controlScreen.Left - clientScreen.Left;
margins.cxRightWidth = clientScreen.Right - controlScreen.Right;
margins.cyTopHeight = controlScreen.Top - clientScreen.Top;
margins.cyBottomHeight = clientScreen.Bottom - controlScreen.Bottom;
// Extend the Frame into client area
DesktopWindowManagerNativeMethods.DwmExtendFrameIntoClientArea( Handle, ref margins );
}
}
/// <summary>
/// Excludes a UI element from the AeroGlass frame.
/// </summary>
/// <param name="element">The element to exclude.</param>
/// <remarks>Many non-WPF rendered controls (i.e., the ExplorerBrowser control) will not
/// render properly on top of an AeroGlass frame. </remarks>
public void ExcludeElementFromAeroGlass( FrameworkElement element )
{
if( AeroGlassCompositionEnabled )
{
// calculate total size of window nonclient area
HwndSource hwndSource = PresentationSource.FromVisual( this ) as HwndSource;
CoreNativeMethods.RECT windowRect = new CoreNativeMethods.RECT( );
CoreNativeMethods.RECT clientRect = new CoreNativeMethods.RECT( );
DesktopWindowManagerNativeMethods.GetWindowRect( hwndSource.Handle, ref windowRect );
DesktopWindowManagerNativeMethods.GetClientRect( hwndSource.Handle, ref clientRect );
Size nonClientSize =
new Size(
(double)(windowRect.right - windowRect.left) - (double)(clientRect.right - clientRect.left),
(double)(windowRect.bottom - windowRect.top) - (double)(clientRect.bottom - clientRect.top) );
// calculate size of element relative to nonclient area
GeneralTransform transform = element.TransformToAncestor( this );
Point topLeftFrame =
transform.Transform( new Point( 0, 0 ) );
Point bottomRightFrame =
transform.Transform(
new Point(
element.ActualWidth + nonClientSize.Width,
element.ActualHeight + nonClientSize.Height ) );
// Create a margin structure
MARGINS margins = new MARGINS( );
margins.cxLeftWidth = (int)topLeftFrame.X;
margins.cxRightWidth = (int)(this.ActualWidth - bottomRightFrame.X);
margins.cyTopHeight = (int)(topLeftFrame.Y);
margins.cyBottomHeight = (int)(this.ActualHeight - bottomRightFrame.Y);
// Extend the Frame into client area
DesktopWindowManagerNativeMethods.DwmExtendFrameIntoClientArea( windowHandle, ref margins );
}
}
internal static extern int DwmExtendFrameIntoClientArea(
IntPtr hwnd,
ref MARGINS m);
internal static extern int DwmExtendFrameIntoClientArea(
IntPtr hwnd,
ref MARGINS m);
