SuperBowl-WinForm-2022maj

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 WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            arab_textBox2.Enabled = false;
        }

        private void arrow_Button_Click(object sender, EventArgs e)
        {
            if (arrow_Button.Text=="--->")
            {
                arrow_Button.Text = "<---";
                romai_textBox1.Enabled = false;
                arab_textBox2.Enabled = true;
                romai_textBox1.Text = "";
                arab_textBox2.Text = "";
            }
            else if (arrow_Button.Text=="<---")
            {
                arrow_Button.Text = "--->";
                romai_textBox1.Enabled = true;
                arab_textBox2.Enabled = false;
                romai_textBox1.Text = "";
                arab_textBox2.Text = "";
            }
        }

        private void atvalt_Button_Click(object sender, EventArgs e)
        {
            if (arab_textBox2.Text == "")
            {
                switch (romai_textBox1.Text.ToUpper())
                {
                    case "I":
                        arab_textBox2.Text = 1.ToString();
                        break;
                    case "II":
                        arab_textBox2.Text = 2.ToString();
                        break;
                    case "III":
                        arab_textBox2.Text = 3.ToString();
                        break;
                    case "IV":
                        arab_textBox2.Text = 4.ToString();
                        break;
                    case "V":
                        arab_textBox2.Text = 5.ToString();
                        break;
                    case "VI":
                        arab_textBox2.Text = 6.ToString();
                        break;
                    case "VII":
                        arab_textBox2.Text = 7.ToString();
                        break;
                    case "VIII":
                        arab_textBox2.Text = 8.ToString();
                        break;
                    case "IX":
                        arab_textBox2.Text = 9.ToString();
                        break;
                    case "X":
                        arab_textBox2.Text = 10.ToString();
                        break;
                    default:
                        arab_textBox2.Text = ("Hiba!");
                        break;
                }
            }
            else if(romai_textBox1.Text=="")
            {
                switch (arab_textBox2.Text)
                {
                    case "1":
                        romai_textBox1.Text = "I";
                        break;
                    case "2":
                        romai_textBox1.Text = "II";
                        break;
                    case "3":
                        romai_textBox1.Text = "III";
                        break;
                    case "4":
                        romai_textBox1.Text = "IV";
                        break;
                    case "5":
                        romai_textBox1.Text = "V";
                        break;
                    case "6":
                        romai_textBox1.Text = "VI";
                        break;
                    case "7":
                        romai_textBox1.Text = "VII";
                        break;
                    case "8":
                        romai_textBox1.Text = "VIII";
                        break;
                    case "9":
                        romai_textBox1.Text = "IX";
                        break;
                    case "10":
                        romai_textBox1.Text = "X";
                        break;
                    default:
                        romai_textBox1.Text = ("Hiba!");
                        break;
                }
            }

        }
    }
}