Text Box :P

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

        }
        private void richTextBox1_TextChanged(object sender, EventArgs e)
        {

        }
        private void richTextBox2_TextChanged(object sender, EventArgs e)
        {

        }
        private void label1_Click(object sender, EventArgs e)
        {

        }
        private void label2_Click(object sender, EventArgs e)
        {

        }
        private void label3_Click(object sender, EventArgs e)
        {

        }
        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            //if (comboBox1.SelectedIndex == 0)
            //{
            //    MessageBox.Show("Loc SSH hu !");
            //}
            //else if (comboBox1.SelectedIndex == 1)
            //{
            //    MessageBox.Show("Loc SSH trung ca user va password");
            //}
        }
        private void button1_Click(object sender, EventArgs e)
        {
            if(cbTacVu.SelectedIndex == 0)
            {
                Loc_SSH_Hu();
            }
            else
            {
                MessageBox.Show("Cac chuc nang khac se som co :)");
            }
            //MessageBox.Show("Thuc hien tac vu");
        }
        public void Loc_SSH_Hu()
        {
            string[] danh_sach_Nhap_Vap = txtDauVao.Text.Trim().Split(new string[]{Environment.NewLine}, StringSplitOptions.None);
            for (int i = 0; i < danh_sach_Nhap_Vap.Length; i++)
            {
                string ssh = danh_sach_Nhap_Vap[i];
                if (string.IsNullOrEmpty(ssh) == false)
                {
                    string[] ssh_Array = ssh.Split('|');
                    if (ssh_Array.Length >= 3)
                    {
                        txtDauRa.Text += ssh + Environment.NewLine;
                        //MessageBox.Show("SSH" + ssh + "la SSH loi");
                    }
                }
            }
        }
    }
}