/// <summary>
/// drag complete
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MyListView_DragDrop(object sender, DragEventArgs e)
{
int targetIndex = this.InsertionMark.Index;
if (targetIndex == -1)
{
return;
}
SelectedListViewItemCollection draggedItems = (SelectedListViewItemCollection)e.Data.GetData(typeof(SelectedListViewItemCollection));
if (draggedItems == null || draggedItems.Count == 0 || draggedItems[0].ListView != this)
{
this.InsertionMark.Index = -1;
return;
}
foreach (ListViewItem draggedItem in draggedItems)
{
this.Items.Remove(draggedItem);
this.Items.Insert(targetIndex, draggedItem);
if (AppearAboveItem(targetIndex))
{
targetIndex++;
}
}
OnItemDragSortEnd?.Invoke(sender, e);
}
private void MyListView_DragLeave(object sender, EventArgs e)
{
this.InsertionMark.Index = -1;
OnItemDragSortEnd?.Invoke(sender, null);
}
