action being performed on this control is being called from the wrong thread c#
public delegate void FunctionDelegate();
treeViewControl.BeginInvoke(new FunctionDelegate(TreeViewBug));
private void TreeViewBug() {
Random rand = new Random();
TreeNode node = treeViewControl.Nodes.Add("Parent");
for (int i = 0 ; i < 10000 ; i++ ) // some kind of long operation
node.Nodes.Add(rand.Next().ToString());
}