How do I create a label box with multiple values, and how do I make it so a vertical scroll controls it

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C#

Visual-Studio

C#7.0

So i have made a Prime Numbers Printer in C# console app how do i make it using the Windows form in visual studio
P.S i know i can make it more efficient and i am working on one but how do i bring this into the Visual GUI

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What I have tried:

My code

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 PM_gui
{
    public partial class TBFromWhere : Form
    {
        public TBFromWhere()
        {
            InitializeComponent();
        }

        private void ButGen_Click(object sender, EventArgs e)
        {
            int NB1, NB2;
            NB1 = Convert.ToInt32(textBox1.Text);
            NB2 = Convert.ToInt32(TBTillWhere.Text);
            while (NB1 < NB2)
            {
                if (NB1 < NB2)
                {
                    bool Prime = true;
                    if (NB1 % 2 == 0)
                    {
                        Prime = false;
                    }
                    for (int i = 3; i * i <= NB1; i += 2)
                    {
                        if (NB1 % i == 0)
                        {
                            Prime = false;
                        }
                    }
                    if (Prime == true)
                    {
                        label3.Text = NB1.ToString("n");
                    }
                    if (Prime == false)
                    {
                        NB1 = NB1 + 1;
                    }
                }
            }
        }

        private void vScrollBar2_Scroll(object sender, ScrollEventArgs e)
        {
            label3.Text = vScrollBar2.Value.ToString();
        }
    }

}