HKCard/HKCardOUT/Views/RootView.xaml.cs

using HKCardOUT.ViewModels;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Forms;
using System.Windows.Media;

namespace HKCardOUT.Views
{
    public partial class RootView : HandyControl.Controls.Window
    {
        public RootView()
        {
            InitializeComponent();
            this.Loaded += RootView_Loaded;
        }

        private void RootView_Loaded(object sender, RoutedEventArgs e)
        {
            (this.DataContext as RootViewModel).Main = this;
        }
    }
}