How to minimize and maximize in C#.Net?

Question

I would like to ask a question. I want to minimize and maximize manually in C#.net. I changed form\'s BorderStyle into none. So there are no maximize,minimize and close button f

Answer 1

    private void button4_Click(object sender, EventArgs e)
    {
        if (this.WindowState == FormWindowState.Normal) 
        {
            this.WindowState = FormWindowState.Maximized;
        }
        else
        {
            this.WindowState = FormWindowState.Normal;
        }