using System; namespace Oli.Controls { public enum DropOperation { Reorder, MoveToHere, CopyToHere, MoveFromHere, CopyFromHere } public class DroppedEventArgs : EventArgs { public DropOperation Operation { get; set; } public IDragDropSource Source { get; set; } public IDragDropSource Target { get; set; } public object[] DroppedItems { get; set; } } }