如何将ListView控件选中的项向上移动或向下移动

Question

自定义一个控件，继承ListView

Answer 1

同样的问题
看这里http://topic.csdn.net/u/20080708/18/9b794080-b1d6-4243-9bbc-b43b9e96140f.html

Answer 2

        #region 上下排序
        private void tsmiPLItemUp_Click(object sender, EventArgs e)
        {
            if (pOVLPlaylist.SelectedObjects.Count == 1)
            {
                List<PlaylistFiles> plist = new List<PlaylistFiles>();
                int index=pOVLPlaylist.SelectedIndex;
                plist.AddRange(PlaylistT);
                plist.RemoveAt(index);
                plist.Insert(index - 1, PlaylistT[pOVLPlaylist.SelectedIndex]);
                InitOLVPlayList(plist);
                PlaylistT.Clear();
                PlaylistT.AddRange(plist);
                pOVLPlaylist.Items[index - 1].Selected = true;
                pOVLPlaylist.Items[index - 1].Focused = true;            }
        }
        private void tsmiPLItemDown_Click(object sender, EventArgs e)
        {
                        //pOVLPlaylist.Items[pOVLPlaylist.SelectedIndex].Selected = false;
            //pOVLPlaylist.Items[pOVLPlaylist.SelectedIndex + 1].Selected = true;
            //pOVLPlaylist.Items[pOVLPlaylist.SelectedIndex].Focused = false;
            //pOVLPlaylist.Items[pOVLPlaylist.SelectedIndex + 1].Focused = true;
            //pOVLPlaylist.EnsureVisible(pOVLPlaylist.SelectedIndex);
            if (pOVLPlaylist.SelectedObjects.Count == 1)
            {
                List<PlaylistFiles> plist = new List<PlaylistFiles>();
                int index = pOVLPlaylist.SelectedIndex;
                plist.AddRange(PlaylistT);
                plist.RemoveAt(index);
                plist.Insert(index + 1, PlaylistT[pOVLPlaylist.SelectedIndex]);
                InitOLVPlayList(plist);
                PlaylistT.Clear();
                PlaylistT.AddRange(plist);
                pOVLPlaylist.Items[index + 1].Selected = true;
                pOVLPlaylist.Items[index + 1].Focused = true;            }
                    }        int LastIndexOfPlaylistT()
        {
            int lio = -1;
            for (int so = 0; so < pOVLPlaylist.SelectedObjects.Count; so++)
            {
                int index = pOVLPlaylist.IndexOf(pOVLPlaylist.SelectedObjects[so]);
                //MessageBox.Show(index.ToString());
                PlaylistFiles item = pOVLPlaylist.SelectedObjects[so] as PlaylistFiles;
                foreach (PlaylistFiles plf in PlaylistT)
                {
                    if (item.FileName == plf.FileName)
                    {
                        lio = PlaylistT.LastIndexOf(plf);                    }
                }
            }
            return lio;
        }
        #endregion
这个是我公司项目中刚实现的,简单解释下
List<PlaylistFiles>是一个节目单的数组对象,我用
phillip_piper<[email protected]>
开源控件objectlistview 声明---》pOVLPlaylisttsmiPLItemUp是右键上下文菜单
LastIndexOfPlaylistT用来找你选中项的对象索引我代码意思是，先移除选中PlaylistFiles对象A，再把对象A插回List<PlaylistFiles>，再更新界面
办法笨了点，见笑了
有好办法的兄弟多指点
[email protected]