public ChatBackgroundPresenter()
{
_parallaxEffect = new BackgroundParallaxEffect();
_imageBackground = new Rectangle();
_colorBackground = new Rectangle();
_colorBackground.SizeChanged += OnSizeChanged;
Children.Add(_colorBackground);
Children.Add(_imageBackground);
RegisterPropertyChangedCallback(OpacityProperty, OnOpacityChanged);
_motionVisual = ElementCompositionPreview.GetElementVisual(_colorBackground);
_compositor = _motionVisual.Compositor;
ElementCompositionPreview.GetElementVisual(this).Clip = _compositor.CreateInsetClip();
}
private async void InitializeMotion()
{
_parallaxEffect = new BackgroundParallaxEffect();
Motion.Visibility = (await _parallaxEffect.IsSupportedAsync()) ? Visibility.Visible : Visibility.Collapsed;
}
