public void RefreshVisualState()
{
var children = FrameworkElement.AllChildren();
var child = children.OfType <Grid>().First(x => x.Name == "RootGrid");
var groups = VisualStateManager.GetVisualStateGroups(child);
var group = groups.First(x => x.Name == "CommonStates");
var current = group.CurrentState.Name;
VisualStateManager.GoToState(GetElement <Control>(), "Indeterminate", false);
VisualStateManager.GoToState(GetElement <Control>(), current, false);
}
