/// <summary>
/// Associate the parent TreeViewItem with the CheckBox.
/// </summary>
private void AssociateParentTreeViewItem()
{
_parent = TreeViewExtensions.GetParentItemsControl(this) as TreeViewItem;
if (_parent != null)
{
TreeViewExtensions.SetAssociatedCheckBox(_parent, this);
}
}
/// <summary>
/// Update the TreeViewItem's IsChecked property when this IsChecked
/// property is changed.
/// </summary>
/// <param name="sender">The CheckBox.</param>
/// <param name="e">Event arguments.</param>
private void OnIsCheckedChanged(object sender, RoutedEventArgs e)
{
TreeViewItem item = ParentTreeViewItem;
if (item != null)
{
TreeViewExtensions.SetIsChecked(item, IsChecked);
}
}