using System;

using System.Collections.Generic;

using System.Collections.ObjectModel;

using System.Diagnostics;

using System.Linq;

using System.Reflection;

using System.Text;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Data;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Imaging;

using System.Windows.Navigation;

using System.Windows.Shapes;

using GongSolutions.Wpf.DragDrop;

using GongSolutions.Wpf.DragDrop.Utilities;

using MahApps.Metro.Controls;

​

namespace CaptainRecommendUI

{

    /// <summary>

    /// Interaction logic for MainWindow.xaml

    /// </summary>

    public partial class MainWindow : MetroWindow

    {

        public static MainWindow Instance;

        public MainWindow()

        {

            InitializeComponent();

​

            Instance = this;

​

            for (int i = 0; i < 3; ++i)

            {

                TreeViewItem root = new TreeViewItem() {Header = "Root" + i};

                trvMenu.Items.Add(root);

                root.Items.Add(new TreeViewItem() {Header = "Son1"});

                root.Items.Add(new TreeViewItem() {Header = "Son2"});

                root.Items.Add(new TreeViewItem() {Header = "Son3"});

            }

​

            AllowMultiSelection(trvMenu);

​

            trvMenu.DataContext = new TreeViewDrop();

            TextBlock1.DataContext = new TreeViewDrop();

        }

    }

}