/// <summary>
/// </summary>
public static class ExtensionMethods
{
public static void ExpandAll(this System.Windows.Controls.TreeView treeView)
{
ExpandAllItems(treeView);
}
private static void ExpandAllItems(ItemsControl control)
{
if (control == null)
{
return;
}
foreach (Object item in control.Items)
{
System.Windows.Controls.TreeViewItem treeItem = control.ItemContainerGenerator.ContainerFromItem(item) as TreeViewItem;
if (treeItem == null || !treeItem.HasItems)
{
continue;
}
treeItem.IsExpanded = true;
treeItem.UpdateLayout();
ExpandAllItems(treeItem as ItemsControl);
}
}
}
