public VListView()
        {
            this.InitializeComponent();

            VMTitle mtitle = new VMTitle();
            Items.DataContext = mtitle;
        }
 public VMain()
 {
     this.InitializeComponent();
     VMTitle vmtitle = new VMTitle();
     Gridview.DataContext = vmtitle;
 }
 public VHub()
 {
     this.InitializeComponent();
     VMTitle vmtitle = new VMTitle();
     Items.DataContext = vmtitle;
 }