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);
}
}
