private void ItemContainer_Loaded(object sender, RoutedEventArgs e)
{
var itemsPanel = (ItemsWrapGrid)GRIDVWcode.ItemsPanelRoot;
var itemContainer = (GridViewItem)sender;
var txt = GetRichTextBlock(itemContainer);
var itemIndex = GRIDVWcode.IndexFromContainer(itemContainer);
var p = codeList[itemIndex].RichTextCode;
if (p == null)
{
TextBlock rtxt = GetTextBlock(itemContainer);
if (rtxt != null)
{
rtxt.Opacity = 1;
rtxt.Visibility = Visibility.Visible;
txt.Opacity = 0;
}
}
else
{
txt.Blocks.Add(p);
}
if (itemIndex >= itemsPanel.FirstVisibleIndex && itemIndex <= itemsPanel.LastVisibleIndex)
{
var itemVisual = itemContainer.GetVisual();
var delayIndex = itemIndex - itemsPanel.FirstVisibleIndex;
itemVisual.Opacity = 0f;
itemVisual.SetTranslation(new Vector3(50, 0, 0));
// Create KeyFrameAnimations
var offsetAnimation = _compositor.CreateScalarKeyFrameAnimation();
offsetAnimation.InsertKeyFrame(1f, 0f);
offsetAnimation.Duration = TimeSpan.FromMilliseconds(700);
offsetAnimation.DelayTime = TimeSpan.FromMilliseconds((delayIndex * 30));
var fadeAnimation = _compositor.CreateScalarKeyFrameAnimation();
fadeAnimation.InsertKeyFrame(1f, 1f);
fadeAnimation.Duration = TimeSpan.FromMilliseconds(700);
fadeAnimation.DelayTime = TimeSpan.FromMilliseconds(delayIndex * 30);
// Start animations
itemVisual.StartAnimation(itemVisual.GetTranslationXPropertyName(), offsetAnimation);
itemVisual.StartAnimation("Opacity", fadeAnimation);
}
itemContainer.Loaded -= ItemContainer_Loaded;
}
public SearchResultPage()
{
this.InitializeComponent();
this._compositor = ElementCompositionPreview.GetElementVisual(this).Compositor;
this._listVisual = GRIDVWcode.GetVisual();
}
