C# datagridview 实现带进度条的列

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Drawing;
using System.ComponentModel;

namespace Sample
{
    class DataGridViewProgressCell : DataGridViewImageCell
    {
        // Used to make custom cell consistent with a DataGridViewImageCell
        static Image emptyImage;
        // Used to remember color of the progress bar
        static Color _ProgressBarColor;

        public Color ProgressBarColor
        {
            get { return _ProgressBarColor; }
            set { _ProgressBarColor = value; }
        }

        static DataGridViewProgressCell（）
        {

            emptyImage = new Bitmap（1 1 System.Drawing.Imaging.PixelFormat.Format32bppArgb）;
        }
        public DataGridViewP

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2019-08-04 05:45  .vs\
     目录           0  2019-08-04 05:45  .vs\ProgressBarColumn\
     目录           0  2019-08-04 05:48  .vs\ProgressBarColumn\v15\
     文件       76288  2019-08-04 06:09  .vs\ProgressBarColumn\v15\.suo
     目录           0  2019-08-04 05:48  .vs\ProgressBarColumn\v15\Server\
     目录           0  2019-08-04 05:48  .vs\ProgressBarColumn\v15\Server\sqlite3\
     文件           0  2019-08-04 05:48  .vs\ProgressBarColumn\v15\Server\sqlite3\db.lock
     文件        4096  2019-08-04 05:48  .vs\ProgressBarColumn\v15\Server\sqlite3\storage.ide
     文件       32768  2019-08-04 05:48  .vs\ProgressBarColumn\v15\Server\sqlite3\storage.ide-shm
     文件      659232  2019-08-04 06:06  .vs\ProgressBarColumn\v15\Server\sqlite3\storage.ide-wal
     目录           0  2019-08-04 05:48  Backup\
     目录           0  2019-08-04 05:48  Backup\ProgressBarColumn\
     文件        6660  2010-10-10 19:26  Backup\ProgressBarColumn\DataGridViewProgressCell.cs
     文件        3158  2010-10-10 19:25  Backup\ProgressBarColumn\DataGridViewProgressColumn.cs
     文件         511  2010-10-10 11:20  Backup\ProgressBarColumn\Program.cs
     文件        3867  2010-10-10 14:49  Backup\ProgressBarColumn\ProgressBarColumn.csproj
     文件         168  2010-10-10 14:49  Backup\ProgressBarColumn\ProgressBarColumn.csproj.user
     目录           0  2019-08-04 05:48  Backup\ProgressBarColumn\Properties\
     文件        1464  2010-10-10 11:19  Backup\ProgressBarColumn\Properties\AssemblyInfo.cs
     文件        2863  2010-10-10 11:19  Backup\ProgressBarColumn\Properties\Resources.Designer.cs
     文件        5612  2010-10-10 11:19  Backup\ProgressBarColumn\Properties\Resources.resx
     文件        1102  2010-10-10 11:19  Backup\ProgressBarColumn\Properties\Settings.Designer.cs
     文件         249  2010-10-10 11:19  Backup\ProgressBarColumn\Properties\Settings.settings
     文件        4736  2010-10-10 16:47  Backup\ProgressBarColumn\frmMain.Designer.cs
     文件         733  2010-10-10 16:52  Backup\ProgressBarColumn\frmMain.cs
     文件        7649  2010-10-10 16:47  Backup\ProgressBarColumn\frmMain.resx
     文件         941  2010-10-10 11:19  Backup\ProgressBarColumn.sln
     目录           0  2019-08-04 06:06  ProgressBarColumn\
     文件        6660  2010-10-10 19:26  ProgressBarColumn\DataGridViewProgressCell.cs
     文件        3158  2010-10-10 19:25  ProgressBarColumn\DataGridViewProgressColumn.cs
     文件         511  2010-10-10 11:20  ProgressBarColumn\Program.cs
............此处省略32个文件信息