public class EditPointsControl2 : UserControl
    {
        const int iMinWidth = 30, iMinHeight = 30;
        PointF[] editPoints = new PointF[] { 
            new PointF(15f, 1f), new PointF(1f, 29f), new PointF(29f, 29f) };
        byte[] pointStyles = new byte[] { 1, 1, 1 }; // 0x01 is PathPointType.Line

        bool bResizePathWithControl = false;
        Size szOriginalSize = new Size(iMinWidth, iMinHeight);

        public EditPointsControl2()
        {
            this.Size = new Size(iMinWidth, iMinHeight);
        }

        public PointF[] EditPoints
        {
            get { return editPoints; }
            set { editPoints = value; }
        }

        public byte[] EditPointStyles
        {
            get { return pointStyles; }
            set { pointStyles = value; }
        }

        protected override void OnLoad(EventArgs e)
        {
            szOriginalSize = this.Size;
            bResizePathWithControl = true;
            base.OnLoad(e);
        }
        
        protected override void OnResize(EventArgs e)
        {
            if (!bResizePathWithControl)
            {
                szOriginalSize = this.Size;
                return;
            }

            // Resize the path according to the scaled change in the control size.
            using (GraphicsPath gp = new GraphicsPath(editPoints, pointStyles))
            {
                float fWidthRatio = (float)this.Size.Width / (float)szOriginalSize.Width;
                float fHeightRatio = (float)this.Size.Height / (float)szOriginalSize.Height;
                using (Matrix m = new Matrix())
                {
                    m.Scale(fWidthRatio, fHeightRatio);
                    gp.Transform(m);
                }
                editPoints = gp.PathPoints;
                pointStyles = gp.PathTypes;
            }
            szOriginalSize = this.Size;
                        
            base.OnResize(e);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            using (GraphicsPath gp = new GraphicsPath(editPoints, pointStyles))
            {
                Pen pOutline = new Pen(Color.Black, 1f);
                e.Graphics.DrawPath(pOutline, gp);
                pOutline.Dispose();
            }

            base.OnPaint(e); 
        }
    }

            this.regionIDDataGridViewTextBoxColumn = new System.Windows.Forms.DataGridViewTextBoxColumn();
            this.nameDataGridViewTextBoxColumn = new System.Windows.Forms.DataGridViewTextBoxColumn();
            this.isActiveDataGridViewCheckBoxColumn = new System.Windows.Forms.DataGridViewCheckBoxColumn();
            this.dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] {
            this.regionIDDataGridViewTextBoxColumn,
            this.nameDataGridViewTextBoxColumn,
            this.isActiveDataGridViewCheckBoxColumn});