C#

class test : System.Windows.Forms.Form
{
    private PictureBox pb;
    private Button b;

    public test()
    {
        pb = new PictureBox();
        pb.Visible = false;
        b = new Button();
        b.Text = "Click Me";
        b.Click += new EventHandler(bClick);
        this.Controls.Add(pb);
        this.Controls.Add(b);
    }

    public static void Main()
    {
        Application.Run(new test());
    }

    private void bClick(object sender, EventArgs e)
    {
        if(!pb.Visible)
            pb.Visible = true;

        // Adjust picture box location here.
    }
}