Winfrom DateGridView 实现Button列禁用

Form窗体如下所示：

实现如下：

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using System; using System.Collections.Generic; using System.Drawing; using System.Windows.Forms;   namespace DataGridView添加禁用Button列 {     public partial class Form1 : Form     {         public Form1()         {             InitializeComponent();         }           public List<User> GetAllUser()         {             List<User> UserList = new List<User>();               User u = new User();             u.UserID = Guid.NewGuid().ToString().Replace("-", "");             u.UserName = "张三丰";             u.UserType = 0;             UserList.Add(u);                           User u1 = new User();             u1.UserID = Guid.NewGuid().ToString().Replace("-", "");             u1.UserName = "周芷若";             u1.UserType = 1;             UserList.Add(u1);               User u2 = new User();             u2.UserID = Guid.NewGuid().ToString().Replace("-", "");             u2.UserName = "赵敏";             u2.UserType = 1;             UserList.Add(u2);               User u3 = new User();             u3.UserID = Guid.NewGuid().ToString().Replace("-", "");             u3.UserName = "张无忌";             u3.UserType = 0;             UserList.Add(u3);               return UserList;         }           private void Form1_Load(object sender, EventArgs e)         {             this.dgvUser.AutoGenerateColumns = false;               List<User> UserList = GetAllUser();             this.dgvUser.DataSource = UserList;               string num = string.Empty;             int count = this.dgvUser.Rows.Count;             for (int i = 0; i < count; i++)             {                 num = this.dgvUser.Rows[i].Cells["UserType"].FormattedValue.ToString();                 DataGridViewDisableButtonCell btnCell = (DataGridViewDisableButtonCell)                       this.dgvUser.Rows[i].Cells["UserStatus"];                 if (num.Equals("0"))                 {                     btnCell.Enabled = false;                 }                 else btnCell.Enabled = true;             }         }           private void dgvUser_CellClick(object sender, DataGridViewCellEventArgs e)         {             if (e.RowIndex == -1) return;             string colName = this.dgvUser.Columns[e.ColumnIndex].Name;             if (colName.Equals("UserStatus")) //设置             {                 DataGridViewDisableButtonCell btnCell = (DataGridViewDisableButtonCell)                     this.dgvUser.CurrentRow.Cells["UserStatus"];                 if (!btnCell.Enabled) return;                   MessageBox.Show("Test");             }         }     }       public class DataGridViewDisableButtonColumn : DataGridViewButtonColumn     {         public DataGridViewDisableButtonColumn()         {             this.CellTemplate = new DataGridViewDisableButtonCell();         }     }       public class DataGridViewDisableButtonCell : DataGridViewButtonCell     {         private bool enabledValue;         public bool Enabled         {             get             {                 return enabledValue;             }             set             {                 enabledValue = value;             }         }           public override object Clone()         {             DataGridViewDisableButtonCell cell =                 (DataGridViewDisableButtonCell)base.Clone();             cell.Enabled = this.Enabled;             return cell;         }           public DataGridViewDisableButtonCell()         {             this.enabledValue = true;         }           protected override void Paint(Graphics graphics,             Rectangle clipBounds, Rectangle cellBounds, int rowIndex,             DataGridViewElementStates elementState, object value,             object formattedValue, string errorText,             DataGridViewCellStyle cellStyle,             DataGridViewAdvancedBorderStyle advancedBorderStyle,             DataGridViewPaintParts paintParts)         {             if (rowIndex != -1)             {                 if (!this.enabledValue)                 {                     if ((paintParts & DataGridViewPaintParts.Background) ==                         DataGridViewPaintParts.Background)                     {                         SolidBrush cellBackground = new SolidBrush(cellStyle.BackColor);                         graphics.FillRectangle(cellBackground, cellBounds);                         cellBackground.Dispose();                     }                       if ((paintParts & DataGridViewPaintParts.Border) ==                         DataGridViewPaintParts.Border)                     {                         PaintBorder(graphics, clipBounds, cellBounds, cellStyle, advancedBorderStyle);                     }                     Rectangle buttonArea = cellBounds;                     Rectangle buttonAdjustment =                         this.BorderWidths(advancedBorderStyle);                     buttonArea.X += buttonAdjustment.X;                     buttonArea.Y += buttonAdjustment.Y;                     buttonArea.Height -= buttonAdjustment.Height;                     buttonArea.Width -= buttonAdjustment.Width;                     ButtonRenderer.DrawButton(graphics, buttonArea,                         System.Windows.Forms.VisualStyles.PushButtonState.Disabled);                       if (this.FormattedValue is String)                     {                         TextRenderer.DrawText(graphics, (string)this.FormattedValue,                             this.DataGridView.Font, buttonArea, SystemColors.GrayText);                     }                 }                 else                 {                     base.Paint(graphics, clipBounds, cellBounds, rowIndex,                         elementState, value, formattedValue, errorText,                         cellStyle, advancedBorderStyle, paintParts);                 }             }         }     } }