private void OnCategoriesBeforeCollapse(object sender, BeforeCollapseEventArgs e) { e.CanCollapse = e.Node.Tag is SearchGroup; }
private void treeView_BeforeCollapse(object sender, BeforeCollapseEventArgs e) { // Never allow the root to be collapsed. if (e.Node.ParentNode == null) { e.CanCollapse = false; } else { protectDoubleClickOnNode(e); } }
void tree_BeforeCollapse(object sender, BeforeCollapseEventArgs e) { (sender as TreeList).FocusedNode = e.Node; }
private void protectDoubleClickOnNode( BeforeCollapseEventArgs e) { // Avoid expanding/collapsing upon double click. if (treeView.WasDoubleClick) { e.CanCollapse = false; treeView.WasDoubleClick = false; } }