/// <summary>
/// Triggers the visual state changes and visual transitions
/// to open or close the list to/from selection mode.
/// </summary>
private void TriggerSelection(SelectionEnabledState state)
{
IList <WeakReference> items = this.GetItemsInViewPort();
//Only animate the containers in the view port.
foreach (var i in items)
{
MultiselectItem item = (MultiselectItem)(((WeakReference)i).Target);
item.State = state;
item.UpdateVisualState(true);
}
Dispatcher.BeginInvoke(() =>
{
for (int j = 0; j < this.Items.Count; j++)
{
MultiselectItem item = (MultiselectItem)ItemContainerGenerator.ContainerFromIndex(j);
if (item != null)
{
item.State = state;
item.UpdateVisualState(false);
}
}
});
}
protected virtual void OnUnselected(RoutedEventArgs e)
{
if (this._parent != null)
{
return;
}
this.State = SelectionEnabledState.Closed;
this.UpdateVisualState(true);
}
/// <summary>
/// Triggers the visual state changes and visual transitions
/// to open or close the list to/from selection mode.
/// </summary>
private void TriggerSelection(SelectionEnabledState state)
{
IList<WeakReference> items = this.GetItemsInViewPort();
//Only animate the containers in the view port.
foreach (var i in items)
{
MultiselectItem item = (MultiselectItem)(((WeakReference)i).Target);
item.State = state;
item.UpdateVisualState(true);
}
Dispatcher.BeginInvoke(() =>
{
for (int j = 0; j < this.Items.Count; j++)
{
MultiselectItem item = (MultiselectItem)ItemContainerGenerator.ContainerFromIndex(j);
if (item != null)
{
item.State = state;
item.UpdateVisualState(false);
}
}
});
}
