C#图形绘制和类实例化

在课本上做练习，但被卡住了。我需要画一个简单的木棍图形。但是我需要创建Face，Body类，并在主要部分调用它。我在谷歌上搜索过，但似乎找不到答案

下面是一种尝试：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;

public class stickFace : Form
{
    protected override void OnPaint(PaintEventArgs e)
    {
        Graphics draw = e.Graphics;
        Pen black = new Pen(Color.Black, 3);

        draw.DrawEllipse(black, 20, 20, 100, 100);

        base.OnPaint(e);
    }
}

public class stickBody : Form
{
    protected override void OnPaint(PaintEventArgs e)
    {
        // Draw Line codes goes here
        base.OnPaint(e);
    }
}

public class StickFigure : Form
{
    public StickFigure()
    {
        Size = new Size(500, 300);
        Text = "Stick Figure";
        BackColor = Color.White;
    }

    public static void Main()
    {
        // Call the stickface and stickBody Class
    }
}

如何在Main方法中实例化StickFace和StickBody？还是我的代码完全错了。

Program.cs StickBody.cs

---

我认为您应该在OnPaint事件中直接使用GDI+绘制组件，而不是从表单库继承。stickBody和stickFace类从表单类继承没有多大意义，因为它们不是表单。相反，您可以从表单中删除它们的继承，并给它们每个draw（Graphics g）方法，它将在主窗体的OnPaint方法中调用。

 static class Program
{
    /// <summary>
    /// The main entry point for the application.
    /// </summary>
    [STAThread]
    static void Main()
    {
        Application.EnableVisualStyles();
        Application.SetCompatibleTextRenderingDefault(false);

        Application.Run(new stickFace());
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;

public class stickFace : Form
{
     public stickFace()
    {
        new stickBody(this);
    }
    protected override void OnPaint(PaintEventArgs e)
    {
        Graphics draw = e.Graphics;
        Pen black = new Pen(Color.Black, 3);

        draw.DrawEllipse(black, 20, 20, 100, 100);

        base.OnPaint(e);
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;

 public class stickBody : Form
{
    public stickBody(stickFace obj)
    {

    }

    protected override void OnPaint(PaintEventArgs e)
    {//lines of code.....

        base.OnPaint(e);
    }
}