private static void OnFindInfoCard(object sender, FindInfoCardEventArgs e)
{
if (e.TargetElement != null)
{
return;
}
var obj = sender as DependencyObject;
if (obj == null)
{
return;
}
if (Current.StopLookingForInfoCard(obj))
{
e.Handled = true;
e.KeepCurrentActive = true;
}
else if (InfoCardIsEnabled(obj))
{
e.TargetElement = obj;
e.Handled = true;
}
}
private static bool LocateNearestInfoCard(ref DependencyObject obj)
{
var element = obj as IInputElement;
if (element != null)
{
var e = new FindInfoCardEventArgs();
element.RaiseEvent(e);
if (e.TargetElement != null)
{
obj = e.TargetElement;
return(true);
}
if (e.KeepCurrentActive)
{
obj = null;
return(true);
}
}
return(false);
}
