private void FlexGrid_ContainerContentChanging(ListViewBase sender, ContainerContentChangingEventArgs args)
{
var templateRoot = args.ItemContainer.ContentTemplateRoot;
var child = templateRoot.GetAllChildren();
var _frozenContent = child.Where(x => FlexGridItemFrozenContent.GetIsFrozenContent(x));
if (_frozenContent != null && _offsetXAnimation != null)
{
foreach (var item in _frozenContent)
{
var _frozenContentVisual = ElementCompositionPreview.GetElementVisual(item);
_frozenContentVisual.StartAnimation("Offset.X", _offsetXAnimation);
}
}
}
private void NewFlexGridFrozenRows_Loaded(object sender, RoutedEventArgs e)
{
(sender as ListViewItem).Loaded -= NewFlexGridFrozenRows_Loaded;
var templateRoot = (sender as ListViewItem).ContentTemplateRoot;
var child = templateRoot.GetAllChildren();
var _frozenContent = child.FirstOrDefault(x => FlexGridItemFrozenContent.GetIsFrozenContent(x));
if (_frozenContent != null && _offsetXAnimation != null)
{
//foreach (var item in _frozenContent)
{
var _frozenContentVisual = ElementCompositionPreview.GetElementVisual(_frozenContent);
_frozenContentVisual.StartAnimation("Offset.X", _offsetXAnimation);
}
}
}