C#DataGridView单元格边框颜色问题（续3）

复选框单元格：

/// <summary>
    /// 表格控件單元格
    /// </summary>
    public class DataGridViewDisableCheckBoxCell : DataGridViewCheckBoxCell
    {
        /// <summary>
        /// 指示單元格是否可用
        /// </summary>
        public bool Enabled
        {
            get;
            set;
        }
        /// <summary>
        /// 指示單元格是否可見
        /// </summary>
        public bool Display
        {
            get;
            set;
        }
        /// <summary>
        /// 顶部边框颜色
        /// </summary>
        public Color TopBorderColor
        {
            get;
            set;
        }
        /// <summary>
        /// 右侧边框颜色
        /// </summary>
        public Color RightBorderColor
        {
            get;
            set;
        }
        /// <summary>
        /// 下部边框颜色
        /// </summary>
        public Color BottomBorderColor
        {
            get;
            set;
        }
        /// <summary>
        /// 左侧边框颜色
        /// </summary>
        public Color LeftBorderColor
        {
            get;
            set;
        }

        // Override the Clone method so that the Enabled property is copied.
        public override object Clone()
        {

            DataGridViewDisableCheckBoxCell cell =
                (DataGridViewDisableCheckBoxCell)base.Clone();

            cell.Enabled = this.Enabled;
            cell.Display = this.Display;
            cell.TopBorderColor = this.TopBorderColor;
            cell.RightBorderColor = this.RightBorderColor;
            cell.BottomBorderColor = this.BottomBorderColor;
            cell.LeftBorderColor = this.LeftBorderColor;
            return cell;
        }

        // By default, enable the button cell.
        public DataGridViewDisableCheckBoxCell()
        {
            this.Enabled = true;
            this.Display = true;
            this.TopBorderColor = Color.Empty;
            this.RightBorderColor = Color.Empty;
            this.BottomBorderColor = Color.Empty;
            this.LeftBorderColor = Color.Empty;
        }

        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)
        {
            // Draw the cell background, if specified.
            if ((paintParts & DataGridViewPaintParts.Background) ==
                DataGridViewPaintParts.Background)
            {
                SolidBrush cellBackground =
                    new SolidBrush(cellStyle.BackColor);
                graphics.FillRectangle(cellBackground, cellBounds);
                cellBackground.Dispose();

            }
            // Draw the cell borders, if specified.
            if ((paintParts & DataGridViewPaintParts.Border) ==
                DataGridViewPaintParts.Border)
            {
                PaintBorder(graphics, clipBounds, cellBounds, cellStyle,
                    advancedBorderStyle);
            }
            if (Display)
            {
                if (!Enabled)
                {
                    // Paint background
                    graphics.FillRectangle(Brushes.Silver, cellBounds);
                    // draw a inactive checkbox
                    ControlPaint.DrawCheckBox(graphics,
                        cellBounds.X + this.ContentBounds.X - 2,
                        cellBounds.Y + this.ContentBounds.Y,
                        16, 16,
                        ButtonState.All);

                }
                else
                {
                    base.Paint(graphics, clipBounds, cellBounds, rowIndex,
                        elementState, value, formattedValue, errorText,
                        cellStyle, advancedBorderStyle, paintParts);
                }
            }
            //绘制边框
            if (TopBorderColor != Color.Empty)
            {
                graphics.DrawLine(new Pen(TopBorderColor), cellBounds.X, cellBounds.Y, cellBounds.X + cellBounds.Width, cellBounds.Y);
            }
            if (RightBorderColor != Color.Empty)
            {
                graphics.DrawLine(new Pen(RightBorderColor), cellBounds.X + cellBounds.Width, cellBounds.Y, cellBounds.X + cellBounds.Width, cellBounds.Y + cellBounds.Height);
            }
            if (BottomBorderColor != Color.Empty)
            {
                graphics.DrawLine(new Pen(BottomBorderColor), cellBounds.X, cellBounds.Y + cellBounds.Height, cellBounds.X + cellBounds.Width, cellBounds.Y + cellBounds.Height);
            }
            if (LeftBorderColor != Color.Empty)
            {
                graphics.DrawLine(new Pen(LeftBorderColor), cellBounds.X, cellBounds.Y, cellBounds.X, cellBounds.Y + cellBounds.Height);
            }
        }
    }

列：

/// <summary>
    /// 表格列模板
    /// </summary>
    public class DataGridViewDisableCheckBoxColumn : DataGridViewCheckBoxColumn
    {
        public DataGridViewDisableCheckBoxColumn()
        {
            this.CellTemplate = new DataGridViewDisableCheckBoxCell();
        }
    }

例子下载：

WindowsFormsApplication1.zip