//使用双缓冲：添加新类继承ListView 对其重写
public class DoubleBufferListView : ListView
    {
        public DoubleBufferListView()
        {
            SetStyle(ControlStyles.DoubleBuffer |
              ControlStyles.OptimizedDoubleBuffer |
              ControlStyles.AllPaintingInWmPaint, true);
            UpdateStyles();
        }
    }