BrightIdeasSoftware.ObjectListView.OnItemDrag C# (CSharp) Method

        protected override void OnItemDrag(ItemDragEventArgs e)
        {
            base.OnItemDrag(e);

            if (this.DragSource == null)
                return;

            Object data = this.DragSource.StartDrag(this, e.Button, (OLVListItem)e.Item);
            if (data != null) {
                DragDropEffects effect = this.DoDragDrop(data, this.DragSource.GetAllowedEffects(data));
                this.DragSource.EndDrag(data, effect);
            }
        }