C# listview 拖動節點

標籤：style   blog   color   io   ar   div   log   sp   on   

/// <summary>        /// 當拖動某項時觸發        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void listView1_ItemDrag(object sender, ItemDragEventArgs e)        {            listView1.DoDragDrop(e.Item, DragDropEffects.Move);        }        /// <summary>        /// 滑鼠拖動某項至該控制項的地區        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void listView1_DragEnter(object sender, DragEventArgs e)        {            e.Effect = DragDropEffects.Move;        }        /// <summary>        /// 拖動時拖著某項置於某行上方時        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void listView1_DragOver(object sender, DragEventArgs e)        {            Point ptScreen = new Point(e.X, e.Y);            Point pt = listView1.PointToClient(ptScreen);            ListViewItem item = listView1.GetItemAt(pt.X, pt.Y);            if (item != null)                item.Selected = true;        }        /// <summary>        /// 結束拖動        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void listView1_DragDrop(object sender, DragEventArgs e)        {            ListViewItem draggedItem = (ListViewItem)e.Data.GetData(typeof(ListViewItem));//舊目標            Point ptScreen = new Point(e.X, e.Y);            Point pt = listView1.PointToClient(ptScreen);            ListViewItem TargetItem = listView1.GetItemAt(pt.X, pt.Y);//新目標               if (null == TargetItem)            {                return;            }            if (MessageBoxEx.Show("[" + draggedItem.Text + "]轉至[" + TargetItem.Text + "]", "詢問",                 MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.OK)            {                var item = draggedItem.Tag as View_TableListModel;                int tableid = item.ID;                            }            //listView1.Items.Insert(TargetItem.Index, (ListViewItem)draggedItem.Clone());            //listView1.Items.Remove(draggedItem);        }

 

C# listview 拖動節點