private void listView1_MouseDown(object sender, MouseEventArgs e)
    {
      //
      if (e.Button==MouseButtons.Right)
      {
        // 得到屏幕鼠标的坐标，转换为列表控件的坐标标
        m_MBRpt = listView1.PointToClient(Control.MousePosition);
      }

    }

private void COPYITEM_Click(object sender, EventArgs e)
    {
      //复制指定表格单元格的内容
      if (listView1.SelectedItems.Count <= 0)
      {
        MessageBox.Show("没有选中交易信息！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
        return;
      }

      // 得到屏幕鼠标的坐标，转换为列表控件的坐标标(在鼠标按下时就去处理并保存)
      //Point pt = listView1.PointToClient(m_MBRpt);

      ListViewItem lstrow = listView1.GetItemAt(m_MBRpt.X, m_MBRpt.Y);
      System.Windows.Forms.ListViewItem.ListViewSubItem lstcol = lstrow.GetSubItemAt(m_MBRpt.X, m_MBRpt.Y);
      string strText = lstcol.Text;
      //设置到粘贴板
      SetClipboardText(strText);

    }

 public void SetClipboardText(string strText)
    {
      try
      {
        Clipboard.SetDataObject(strText);
      }
      catch (System.Exception ex)
      {
        MessageBox.Show(ex.Message, "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);      
      }
      
    }