IEnumerable <TreeViewItemViewModel> FindSelected(TreeViewItemViewModel node)
{
if (node != null)
{
if (node.IsSelected)
{
yield return(node);
}
if (node.Children != null)
{
foreach (var child in node.Children)
{
foreach (var selected in this.FindSelected(child))
{
yield return(selected);
}
}
}
}
}
IEnumerable <TreeViewItemViewModel> FindChecked(TreeViewItemViewModel node)
{
if (node != null && node.Children != null)
{
if (node.Children.Count == 0)
{
if (node.IsChecked.HasValue && node.IsChecked.Value)
{
yield return(node);
}
}
else
{
foreach (var child in node.Children)
{
foreach (var selected in this.FindChecked(child))
{
yield return(selected);
}
}
}
}
}
