C# method to draw ellipses

This article describes the method of drawing ellipses in C#. Share it for your reference. The specific implementation method is as follows:

using System;
using ;
using ;
using ;
using ;
using ;
using ;
namespace WindowsApplication2
{
  public partial class Form4 : Form
  {
    public Form4()
    {
      InitializeComponent();
    }
    bool drawElipse = false;
    private void button1_Click(object sender, EventArgs e)
    {
       = !;
      using (Graphics g = ())
      {
        if ()
        {
          (, );
        }
        else
        {
          (, );
        }
      }
    }
    private void Form4_Load(object sender, EventArgs e)
    {
    }
  }
}

I hope this article will be helpful to everyone's C# programming.