Untitled

How to extend views in Metro / WinRT
using System;
using System.Linq;
using Windows.UI.Xaml.Controls;
using System.Collections.Generic;

public abstract class ViewBase : UserControl
{
    /// <summary>
    /// Initializes a new instance of the ViewBase class.
    /// </summary>
    public ViewBase() : base()
    {
        BindViewModelLocatorToView(viewModelLocator: GetViewModelLocator());
    }

    /// <summary>
    /// Defines a method that returns a view model locator to be used with this class.
    /// </summary>
    protected abstract IViewModelLocator GetViewModelLocator();


    /// <summary>
    /// Defines a method that Bind's the view model provided by the view locator to the view's data context.
    /// </summary>
    private void BindViewModelLocatorToView(IViewModelLocator viewModelLocator)
    {
        if (viewModelLocator != null)
        {
            DataContext = viewModelLocator.ViewModel;
        }
    }
}