private void SetSelectedRuleOperator(DocOpCode opcode) { TreeNode tn = this.treeViewRules.SelectedNode; DocOp docop = this.GetSelectedOp(); docop.Operation = opcode; tn.Text = docop.ToString(this.Template); this.treeViewRules_AfterSelect(this.treeViewRules, new TreeViewEventArgs(this.treeViewRules.SelectedNode)); }