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

class RandomNext
{
    public class Randomgenerator : Random
    {
        Random random = new Random ();
    }
}
class ProgramWindow1
{
    static void Main()
    {
        // Het scherm zelf //
        ProgramForm scherm;
        scherm = new ProgramForm();
        Application.Run(scherm);
    }
}
class ProgramForm : Form
{
    public void Startknop()
    {
        // De startknop //
        Button startButton;
        startButton = new Button();
        startButton.Text = "Start";
        startButton.BackColor = Color.LightGoldenrodYellow;
        startButton.Location = new System.Drawing.Point(100, 100);
        startButton.Height = 100;
        startButton.Width = 100;
        startButton.Font = new Font("Georgia", 16);
        startButton.Anchor = AnchorStyles.None;
        int x = this.Width / 2 - startButton.Width / 2;
        int y = this.Height / 2 - startButton.Height / 2;
        startButton.Location = new System.Drawing.Point(x, y);
        this.Controls.Add(startButton);
    }
    public void reactieknop()
    {
        // De reactieknop //
        Button reactieButton;
        reactieButton = new Button();
        reactieButton.BackColor = Color.MintCream;
        reactieButton.Location = new System.Drawing.Point(rX, rY);
        reactieButton.Height = rX;
        reactieButton.Width = rY;

    }
    public ProgramForm()
    {
        // Scherm openen en maximaliseren //
        this.Text = "Prakticumopdracht 1";
        this.BackColor = Color.PowderBlue;
        this.WindowState = FormWindowState.Maximized;

        // Eigenschappen startknop //
        Button startButton;
        startButton = new Button();
        startButton.Text = "Start";
        startButton.BackColor = Color.LightGoldenrodYellow;
        startButton.Height = 100;
        startButton.Width = 100;
        startButton.Font = new Font("Georgia", 16);
        startButton.Anchor = AnchorStyles.None;
        int width = this.Width / 2 - startButton.Width / 2;
        int height = this.Height / 2 - startButton.Height / 2;
        startButton.Location = new System.Drawing.Point(width, height);

        // Eventhandler startknop //
        startButton.Click += new EventHandler(startButton_Click);
        startButton.Visible = true;

        // Eigenschappen reactieknop //
        Button reactieButton;
        reactieButton = new Button();
        reactieButton.BackColor = Color.MintCream;
        reactieButton.Location = new System.Drawing.Point(rX, rY);
        reactieButton.Height = rX;
        reactieButton.Width = rY;

        // Eventhandler reactieknop //
        reactieButton.Click += new EventHandler(reactieButton_Click);
        reactieButton.Visible = false;

        // Toevoegen aan Controls //
        this.Controls.Add(startButton);
        this.Controls.Add(reactieButton);
    }
    // Eventhandler startknop //
    void startButton_Click(object sender, EventArgs e)
    {
        Button ClickedButton = (Button)sender;
        ClickedButton.Visible = false;
        reactieButton.Visible = true;
        Random randomY = new Random();
        int rY = randomY.Next(10, 270);
        Random randomX = new Random();
        int rX = randomX.Next(10, 270);
        reactieButton.Location = new System.Drawing.Point(rX, rY);
        reactieButton.Height = rX;
        reactieButton.Width = rY;
    }

    // Eventhandler reactieknop //
    void reactieButton_Click(object sender, EventArgs e)
    {
        Button ClickedButton = (Button)sender;
        ClickedButton.Visible = false;
        startButton.Visible = true;
    }
}