protected override DependencyObject GetContainerForItemOverride()
{
CheckBoxTreeViewItem checkBoxTreeViewItem = new CheckBoxTreeViewItem();
OnNewContainer(checkBoxTreeViewItem);
return(checkBoxTreeViewItem);
}
internal void OnNewContainer(CheckBoxTreeViewItem newContainer)
{
newContainer.Checked -= _checkedEventHandler;
newContainer.Unchecked -= _uncheckedEventHandler;
newContainer.Checked += _checkedEventHandler;
newContainer.Unchecked += _uncheckedEventHandler;
}
protected override DependencyObject GetContainerForItemOverride()
{
PropertyInfo parentTreeViewPi = typeof(TreeViewItem).GetProperty("ParentTreeView", BindingFlags.Instance | BindingFlags.NonPublic);
CheckBoxTreeView parentCheckBoxTreeView = parentTreeViewPi.GetValue(this, null) as CheckBoxTreeView;
CheckBoxTreeViewItem checkBoxTreeViewItem = new CheckBoxTreeViewItem();
if (parentCheckBoxTreeView != null)
{
parentCheckBoxTreeView.OnNewContainer(checkBoxTreeViewItem);
}
return(checkBoxTreeViewItem);
}
private static void CheckedPropertyChanged(DependencyObject source, DependencyPropertyChangedEventArgs e)
{
CheckBoxTreeViewItem checkBoxTreeViewItem = (CheckBoxTreeViewItem)source;
if (checkBoxTreeViewItem.IsChecked)
{
checkBoxTreeViewItem.OnChecked(new RoutedEventArgs(CheckedEvent, checkBoxTreeViewItem));
}
else
{
checkBoxTreeViewItem.OnUnchecked(new RoutedEventArgs(UncheckedEvent, checkBoxTreeViewItem));
}
}
void CheckBoxTreeViewItemChecked(object sender, RoutedEventArgs e)
{
CheckBoxTreeViewItem checkBoxTreeViewItem = sender as CheckBoxTreeViewItem;
Action action = () =>
{
if (checkBoxTreeViewItem == null)
{
return;
}
var checkedItem = checkBoxTreeViewItem.Header;
if (!checkedItem.GetType().Name.Equals("NamedObject"))
{
CheckedItems.Add(checkedItem);
}
};
Dispatcher.BeginInvoke(action, DispatcherPriority.ContextIdle);
}
