using System.Windows.Controls; using System.Windows.Input; namespace YY.Admin.Views.Control { /// /// Interaction logic for MenuTreeView.xaml /// public partial class MenuTreeView : UserControl { public MenuTreeView() { InitializeComponent(); } private void TreeViewItem_MouseDoubleClick(object sender, MouseButtonEventArgs e) { // 阻止双击默认展开行为 e.Handled = true; } } }