void _gesturesinterpreter_Hold(object sender, GestureHoldEventArgs e)
{
IEnumerable<UIElement> hits = VisualTreeHelper.FindElementsInHostCoordinates(this.TransformToVisual(Application.Current.RootVisual).Transform(e.HoldLocation), this);
foreach (FrameworkElement uiel in hits)
{
bool hookable = (bool)uiel.GetValue(HookableProperty);
if (hookable && ElementHold != null) ElementHold(this, new ElementHoldEventArgs(uiel, e.HoldLocation));
break;
}
}
void _gesturesinterpreter_Hold(object sender, GestureHoldEventArgs e)
{
if (Hold != null) Hold(this, e);
}