Mcn treeView eke Nodes kiyala property ekak na WinForms wala. WPF wala thamai Nodes thiyenne. Items kiyala property ekak athi WinForms wala.
treeView2 .Items.Clear();
TreeViewItem tviI = new TreeViewItem() { Header = "I" };
TreeViewItem tviIA = new TreeViewItem() { Header = "I.A" }...