Code for it:
using System;
using System.Drawing;
using System.Windows.Forms;
namespace WinFormDemo
{
public partial class FormGrid : Form
{
public FormGrid()
{
InitializeComponent();
}
private void OnPanelPaint(object sender, PaintEventArgs e)
{
e.Graphics.PageUnit = GraphicsUnit.Millimeter;
DrawHelpGrid(e.Graphics);
}
private void DrawHelpGrid(Graphics graphic, int width = 100, int height = 100)
{
int max = Math.Max(width, height);
var pen1 = new Pen(Brushes.LightGray, 0.1f);
var pen2 = new Pen(Brushes.LightGreen, 0.1f);
bool mainLine = true;
for (int index = 0; index < max; index += 5)
{
Pen pen = mainLine ? pen2 : pen1;
// Make main line little longer
int ext = mainLine ? 2 : 0;
if (index <= height)
{
graphic.DrawLine(pen, 0, index, width + ext, index);
if (mainLine)
{
graphic.DrawString(index + "",
SystemFonts.MenuFont,
Brushes.Blue,
width + 5, index - 2);
}
}
if (index <= width)
{
graphic.DrawLine(pen, index, 0, index, height + ext);
if (mainLine)
{
graphic.DrawString(index + "",
SystemFonts.MenuFont,
Brushes.Blue,
index - 3, height + 5);
}
}
mainLine = !mainLine;
}
}
}
}
And Designer conde
namespace WinFormDemo
{
partial class FormGrid
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.panel1 = new System.Windows.Forms.Panel();
this.SuspendLayout();
//
// panel1
//
this.panel1.BackColor = System.Drawing.Color.White;
this.panel1.Dock = System.Windows.Forms.DockStyle.Fill;
this.panel1.Location = new System.Drawing.Point(0, 0);
this.panel1.Name = "panel1";
this.panel1.Size = new System.Drawing.Size(590, 428);
this.panel1.TabIndex = 1;
this.panel1.Paint += new System.Windows.Forms.PaintEventHandler(this.OnPanelPaint);
//
// FormGrid
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(590, 428);
this.Controls.Add(this.panel1);
this.Name = "FormGrid";
this.Text = "Grid";
this.ResumeLayout(false);
}
#endregion
private System.Windows.Forms.Panel panel1;
}
}