ProgOb/07_1_Delegacje/Form1.cs

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

namespace _07_1_Delegacje
{
  public partial class Form1 : Form
  {
    Robocza r = new Robocza();
    p1 ppp;
    funS fff;

    public Form1()
    {
      InitializeComponent();
    }

    private void button1_Click(object sender, EventArgs e)
    {
      ppp = r.ProxX;
    }

    private void button2_Click(object sender, EventArgs e)
    {
      ppp = r.ProxY;
    }

    private void button3_Click(object sender, EventArgs e)
    {
      ppp = Robocza.ProxZ;
    }

    private void button4_Click(object sender, EventArgs e)
    {
      if (ppp != null)
        ppp();
      else
        MessageBox.Show("ppp jest null'em!");
    }

    private void button5_Click(object sender, EventArgs e)
    {
      ppp?.Invoke();
    }

    private void button8_Click(object sender, EventArgs e)
    {
      ppp = new p1(r.ProxX);
    }

    private void button7_Click(object sender, EventArgs e)
    {
      ppp = new p1(r.ProxY);
    }

    private void button6_Click(object sender, EventArgs e)
    {
      ppp = new p1(Robocza.ProxZ);      
    }

    private void button11_Click(object sender, EventArgs e)
    {
      ppp += r.ProxX;
    }

    private void button10_Click(object sender, EventArgs e)
    {
      ppp += r.ProxY;
    }

    private void button9_Click(object sender, EventArgs e)
    {
      ppp += Robocza.ProxZ;
    }

    private void button14_Click(object sender, EventArgs e)
    {
      ppp -= r.ProxX;
    }

    private void button13_Click(object sender, EventArgs e)
    {
      ppp -= r.ProxY;
    }

    private void button12_Click(object sender, EventArgs e)
    {
      ppp -= Robocza.ProxZ;
    }

    Random rnd = new Random((int)DateTime.Now.Ticks);


    private void button15_Click(object sender, EventArgs e)
    {
      if (rnd.NextDouble() < 0.5)
        fff = r.fs1;
      else
        fff = r.fs2;
    }

    private void button17_Click(object sender, EventArgs e)
    {
      if (rnd.NextDouble() < 0.5)
        fff += r.fs1;
      else
        fff += r.fs2;
    }

    private void button16_Click(object sender, EventArgs e)
    {
      int i = rnd.Next(1000);
      double d = rnd.NextDouble() * 100;
      DateTime t = new DateTime(2024, 4, rnd.Next(31));
      string s = $"Ala ma kota ({new DateTime(rnd.Next(2000000000))})";

      label1.Text = fff?.Invoke(i, d, t, s );
    }

    
  }
}