/// <summary>
/// This method should be the only way of changing the visual state of the control.
/// </summary>
/// <param name="updateFunc">This delegate receives current view state and returns updated state.</param>
public void UpdateViewModel(Func<MyCustomViewModel, MyCustomViewModel> updateFunc)
{
lock (_viewModelUpdateLock)
{
var currentViewModel = _currentViewModel;
var newViewModel = updateFunc(currentViewModel);
if (newViewModel != currentViewModel)
{
_currentViewModel = newViewModel;
}
}
}
public ActionResult Index(string anyParameter)
{
ViewBag.MyCustomProperty = "Some Value";
var model = new MyCustomViewModel
{
Property1 = anyParameter,
Property2 = Localization.GetString("LocalizedValue")
};
return(View(model));
}
public MyCustomControl()
{
DataContext = _currentViewModel = new MyCustomViewModel();
CompositionTarget.Rendering += CompositionTargetOnRendering;
}
