Winform让DataGridView左侧显示图片

using System;
using System.Text;
using System.Windows.Forms;
using System.Drawing;
namespace Test
{
  class DataGridViewEx : DataGridView
  {
    SolidBrush solidBrush;
    public DataGridViewEx()
    {
      solidBrush = new SolidBrush(this.RowHeadersDefaultCellStyle.ForeColor);
    }

    protected override void OnRowPostPaint(DataGridViewRowPostPaintEventArgs e)
    {
      e.Graphics.DrawImage(Image对象, e.RowBounds.Location.X, e.RowBounds.Location.Y); base.OnRowPostPaint(e);
    }
  }
}