form1.cs

Microsoft?Visual C#?.NET (Core Reference)

                case "DashedUpwardDiagonal":
                   _panelBrush = new HatchBrush(HatchStyle.DashedUpwardDiagonal, Color.White, Color.Black);
                    break;

                case "DashedVertical":
                   _panelBrush = new HatchBrush(HatchStyle.DashedVertical, Color.White, Color.Black);
                    break;

                case "DiagonalBrick":
                   _panelBrush = new HatchBrush(HatchStyle.DiagonalBrick, Color.White, Color.Black);
                    break;

                case "DiagonalCross":
                   _panelBrush = new HatchBrush(HatchStyle.DiagonalCross, Color.White, Color.Black);
                    break;

                case "Divot":
                   _panelBrush = new HatchBrush(HatchStyle.Divot, Color.White, Color.Black);
                    break;

                case "DottedDiamond":
                   _panelBrush = new HatchBrush(HatchStyle.DottedDiamond, Color.White, Color.Black);
                    break;

                case "DottedGrid":
                   _panelBrush = new HatchBrush(HatchStyle.DottedGrid, Color.White, Color.Black);
                    break;

                case "ForwardDiagonal":
                   _panelBrush = new HatchBrush(HatchStyle.ForwardDiagonal, Color.White, Color.Black);
                    break;

                case "Horizontal":
                   _panelBrush = new HatchBrush(HatchStyle.Horizontal, Color.White, Color.Black);
                    break;

                case "HorizontalBrick":
                   _panelBrush = new HatchBrush(HatchStyle.HorizontalBrick, Color.White, Color.Black);
                    break;

                case "LargeCheckerBoard":
                   _panelBrush = new HatchBrush(HatchStyle.LargeCheckerBoard, Color.White, Color.Black);
                    break;

                case "LargeConfetti":
                   _panelBrush = new HatchBrush(HatchStyle.LargeConfetti, Color.White, Color.Black);
                    break;

                case "LargeGrid":
                   _panelBrush = new HatchBrush(HatchStyle.LargeGrid, Color.White, Color.Black);
                    break;

                case "LightDownwardDiagonal":
                   _panelBrush = new HatchBrush(HatchStyle.LightDownwardDiagonal, Color.White, Color.Black);
                    break;

                case "LightHorizontal":
                   _panelBrush = new HatchBrush(HatchStyle.LightHorizontal, Color.White, Color.Black);
                    break;

                case "LightUpwardDiagonal":
                   _panelBrush = new HatchBrush(HatchStyle.LightUpwardDiagonal, Color.White, Color.Black);
                    break;

                case "LightVertical":
                   _panelBrush = new HatchBrush(HatchStyle.LightVertical, Color.White, Color.Black);
                    break;

                case "Max":
                   _panelBrush = new HatchBrush(HatchStyle.Max, Color.White, Color.Black);
                    break;

                case "Min":
                   _panelBrush = new HatchBrush(HatchStyle.Min, Color.White, Color.Black);
                    break;

                case "NarrowHorizontal":
                   _panelBrush = new HatchBrush(HatchStyle.NarrowHorizontal, Color.White, Color.Black);
                    break;

                case "NarrowVertical":
                   _panelBrush = new HatchBrush(HatchStyle.NarrowVertical, Color.White, Color.Black);
                    break;

                case "OutlinedDiamond":
                   _panelBrush = new HatchBrush(HatchStyle.OutlinedDiamond, Color.White, Color.Black);
                    break;

                case "Percent05":
                   _panelBrush = new HatchBrush(HatchStyle.Percent05, Color.White, Color.Black);
                    break;

                case "Percent10":
                   _panelBrush = new HatchBrush(HatchStyle.Percent10, Color.White, Color.Black);
                    break;

                case "Percent20":
                   _panelBrush = new HatchBrush(HatchStyle.Percent20, Color.White, Color.Black);
                    break;

                case "Percent25":
                   _panelBrush = new HatchBrush(HatchStyle.Percent25, Color.White, Color.Black);
                    break;

                case "Percent30":
                   _panelBrush = new HatchBrush(HatchStyle.Percent30, Color.White, Color.Black);
                    break;

                case "Percent40":
                   _panelBrush = new HatchBrush(HatchStyle.Percent40, Color.White, Color.Black);
                    break;

                case "Percent50":
                   _panelBrush = new HatchBrush(HatchStyle.Percent50, Color.White, Color.Black);
                    break;

                case "Percent60":
                   _panelBrush = new HatchBrush(HatchStyle.Percent60, Color.White, Color.Black);
                    break;

                case "Percent70":
                   _panelBrush = new HatchBrush(HatchStyle.Percent70, Color.White, Color.Black);
                    break;

                case "Percent75":
                   _panelBrush = new HatchBrush(HatchStyle.Percent75, Color.White, Color.Black);
                    break;

                case "Percent80":
                   _panelBrush = new HatchBrush(HatchStyle.Percent80, Color.White, Color.Black);
                    break;

                case "Percent90":
                   _panelBrush = new HatchBrush(HatchStyle.Percent90, Color.White, Color.Black);
                    break;

                case "Plaid":
                   _panelBrush = new HatchBrush(HatchStyle.Plaid, Color.White, Color.Black);
                    break;

                case "Shingle":
                   _panelBrush = new HatchBrush(HatchStyle.Shingle, Color.White, Color.Black);
                    break;

                case "SmallCheckerBoard":
                   _panelBrush = new HatchBrush(HatchStyle.SmallCheckerBoard, Color.White, Color.Black);
                    break;

                case "SmallConfetti":
                   _panelBrush = new HatchBrush(HatchStyle.SmallConfetti, Color.White, Color.Black);
                    break;

                case "SmallGrid":
                   _panelBrush = new HatchBrush(HatchStyle.SmallGrid, Color.White, Color.Black);
                    break;

                case "SolidDiamond":
                   _panelBrush = new HatchBrush(HatchStyle.SolidDiamond, Color.White, Color.Black);
                    break;

                case "Sphere":
                   _panelBrush = new HatchBrush(HatchStyle.Sphere, Color.White, Color.Black);
                    break;

                case "Trellis":
                   _panelBrush = new HatchBrush(HatchStyle.Trellis, Color.White, Color.Black);
                    break;

                case "Vertical":
                   _panelBrush = new HatchBrush(HatchStyle.Vertical, Color.White, Color.Black);
                    break;

                case "Wave":
                   _panelBrush = new HatchBrush(HatchStyle.Wave, Color.White, Color.Black);
                    break;

                case "Weave":
                   _panelBrush = new HatchBrush(HatchStyle.Weave, Color.White, Color.Black);
                    break;

                case "WideDownwardDiagonal":
                   _panelBrush = new HatchBrush(HatchStyle.WideDownwardDiagonal, Color.White, Color.Black);
                    break;

                case "WideUpwardDiagonal":
                   _panelBrush = new HatchBrush(HatchStyle.WideUpwardDiagonal, Color.White, Color.Black);
                    break;

                case "ZigZag":
                   _panelBrush = new HatchBrush(HatchStyle.ZigZag, Color.White, Color.Black);
                    break;
            }
            panel.Invalidate();
        }

        private void panel_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
        {
            if(_panelBrush != null)
                e.Graphics.FillRectangle(_panelBrush, panel.ClientRectangle);
        }
	}
}