public static void ExpandAll <T>(
this VirtualizingTreeView treeView,
T item,
Func <T, T> getParent,
Func <T, IEnumerable> getChildren)
{
treeView.ExpandTo <T>(getParent(item), getParent);
treeView.ExpandChildren <T>(item, getChildren);
}
public static void ExpandChildren <T>(this VirtualizingTreeView treeView, T item, Func <T, IEnumerable> getChildren)
{
IEnumerable children = getChildren(item);
if (children != null)
{
treeView.Expand(item);
foreach (T child in children)
{
treeView.ExpandChildren(child, getChildren);
}
}
}
public static void ExpandChildren <T>(
this VirtualizingTreeView treeView,
T item,
Func <T, IEnumerable> getChildren)
{
IEnumerable enumerable = getChildren(item);
if (enumerable == null)
{
return;
}
treeView.Expand((object)item);
foreach (T obj in enumerable)
{
treeView.ExpandChildren <T>(obj, getChildren);
}
}