/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.ListView.ItemDrag" /> event.
/// </summary>
/// <param name="e">An <see cref="T:System.Windows.Forms.ItemDragEventArgs" /> that contains the event data.</param>
protected override void OnItemDrag(ItemDragEventArgs e)
{
if (AllowItemDrag && Items.Count > 1)
{
CancelListViewItemDragEventArgs args;
args = new CancelListViewItemDragEventArgs((ListViewItem)e.Item);
OnItemDragging(args);
if (!args.Cancel)
{
IsRowDragInProgress = true;
DoDragDrop(e.Item, DragDropEffects.Move);
}
}
base.OnItemDrag(e);
}
/// <summary>
/// Raises the <see cref="ItemDragging" /> event.
/// </summary>
/// <param name="e">The <see cref="CancelListViewItemDragEventArgs" /> instance containing the event data.</param>
protected virtual void OnItemDragging(CancelListViewItemDragEventArgs e)
{
ItemDragging?.Invoke(this, e);
}