private void EnsureVisible(TreeNode tn)
{
if (tn.TreeView.InvokeRequired)
{
TreeNodeCallback d = new TreeNodeCallback(EnsureVisible);
this.Invoke(d, new object[] { tn });
}
else
{
tn.EnsureVisible();
}
}
public void AddNodeInsertCallback(object dataObject, TreeNodeCallback callback)
{
if (IsRegistered (dataObject)) {
callback (GetNodeAtObject (dataObject));
return;
}
ArrayList list = callbacks [dataObject] as ArrayList;
if (list != null)
list.Add (callback);
else {
list = new ArrayList ();
list.Add (callback);
callbacks [dataObject] = list;
}
}
