void lst_L_DragDrop(object sender, DragEventArgs e)
{
lstBox_To = sender as DevExpress.XtraEditors.ListBoxControl;
Point newPoint = new Point(e.X, e.Y);
newPoint = lstBox_To.PointToClient(newPoint);
int selectedIndex = lstBox_To.IndexFromPoint(newPoint);
if (lstBox_From.Equals(lstBox_To))
{
return;
}
lstBox_From.SelectedItems.ToList().ForEach(a =>
{
if (!lstBox_To.Items.Contains(a))
{
lstBox_To.Items.Add(a);
}
if (lstBox_From.Items.Contains(a))
{
lstBox_From.Items.Remove(a);
}
});
lstBox_To.SortOrder = SortOrder.Ascending;
}
private void listBox1_DragDrop(object sender, DragEventArgs e)
{
DevExpress.XtraEditors.ListBoxControl lb = sender as DevExpress.XtraEditors.ListBoxControl;
DevExpress.XtraTreeList.TreeListMultiSelection nodes = GetDragNodes(e.Data);
if (nodes != null)
{
int ind = lb.IndexFromPoint(lb.PointToClient(new Point(e.X, e.Y)));
for (int i = 0; i < nodes.Count; i++)
{
string dragString = GetStringByNode(nodes[i]);
if (ind == -1)
{
lb.Items.Add(dragString);
}
else
{
lb.Items.Insert(ind, dragString);
}
}
}
}