protected virtual void OnCompositionChanged(CompositionChangedEventArgs e) { if (this.AutoHandleMessagesStyle.HasFlags(Messages.CompositionChanged)) { if (this.UseAeroGlassComposition && IsDwmSupported && e.Enabled) { this.UseAeroGlassCompositionCore = true; } if (this.UseTransparencyKey) { if (this.UseAeroGlassComposition) { this.UseTransparencyKeyCore = e.Enabled; } else if (!e.Enabled) { Message m; m = Message.Create(this.Handle, (int)Win32Constants.WM.NCACTIVATE, this.IsActiveWParam, IntPtr.Zero); this.WndProc(ref m); //this.DefWndProc(ref m); //Win32Methods.CallWindowProc(Win32Methods.GetWindowLong(new HandleRef(this, this.Handle), -4), // this.Handle, // (int)Win32Constants.WM.NCACTIVATE, // this.IsActiveWParam, // IntPtr.Zero); //Win32Methods.DefWindowProc(this.Handle, (int)Win32Constants.WM.NCACTIVATE, this.IsActiveWParam, IntPtr.Zero); } } } this.RaiseCompositionChanged(e); }
/// <summary> /// Raises the 'CompositionChanged' event. /// </summary> /// <param name="e"> /// The event args to use when raising the event /// </param> protected void RaiseCompositionChanged(CompositionChangedEventArgs e) { CompositionChangedEventHandler eh; eh = (CompositionChangedEventHandler)this.Events[EventHandlerKeyComposition]; if (eh != null) { eh(this, e); } }