private DragDropEffects RaiseDragEvent(Interactive target, IInputElement inputRoot, Point point, RoutedEvent <DragEventArgs> routedEvent, DragDropEffects operation, IDataObject data)
{
if (target == null)
{
return(DragDropEffects.None);
}
var args = new DragEventArgs(routedEvent, data, target, inputRoot.TranslatePoint(point, target))
{
RoutedEvent = routedEvent,
DragEffects = operation
};
target.RaiseEvent(args);
return(args.DragEffects);
}