órai0303

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

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
          InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e)
        {

        }
        private void groupBox1_Enter(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {
          listBox1.Items.Add(textBox3.Text);
        }
        private void label1_Click(object sender, EventArgs e)
        {

        }
        private void Textek()
        {
          label1.Text = textBox3.Text = textBox1.Text + " " + textBox2.Text;
        }
        // static string bal, jobb;
        private void textBox1_TextChanged(object sender, EventArgs e)
        {
          Textek();
        }
        private void textBox2_TextChanged(object sender, EventArgs e)
        {
          Textek();
        }
        private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
          button1.Text = Convert.ToString(listBox1.Items[listBox1.SelectedIndex]);
        }
    }
}