/// <summary>
/// Gets the first or default instance of the specified view type.
/// </summary>
/// <typeparam name="TView">The type of the view.</typeparam>
/// <param name="viewManager">The view manager.</param>
/// <returns>The view or <c>null</c> if the view is not registered.</returns>
public static TView GetFirstOrDefaultInstance <TView>(this IViewModelManager viewManager)
where TView : IView
{
Argument.IsNotNull("viewManager", viewManager);
var viewType = typeof(TView);
return((TView)viewManager.GetFirstOrDefaultInstance(viewType));
}
