C# 画XY坐标轴

主要用来再PICTUREBOX上画坐标轴
using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;namespace DrawRectangularCoordinateSystem{ public partial class frmMain : Form { private GraphPainter m_graphPainter = new GraphPainter(); public frmMain() { InitializeComponent(); using (Graphics g = this.CreateGraphics()) { m_graphPainter.InitGraphPositions(g, this.ClientSize); } this.DoubleBuffered = true; } private void frmMain_Paint(object sender, PaintEventArgs e) { m_graphPainter.DrawCoordinate(e.Graphics, this.ClientSize); } private void frmMain_Resize(object sender, EventArgs e) { using (Graphics g = this.CreateGraphics()) { m_graphPainter.InitGraphPositions(g, this.ClientSize); } this.Refresh(); } }}