private void Friends()
 {
     try
     {
         var friendsWindow = new FriendsWindow(this.User);
         friendsWindow.ShowDialog();
     }
     catch
     {
     }
 }
        private void Friends()
        {
            FriendViewModel fvm = new FriendViewModel();

            FriendsWindow window = new FriendsWindow
            {
                DataContext = fvm
            };


            window.ShowDialog();
        }