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;
using System.IO;

namespace WindowsFormsApplication5
{
    
    public partial class Form1 : Form
    {
       string zapis;
        public Form1()
        {
            InitializeComponent();

        }



        private void button1_Click(object sender, EventArgs e)
        {
            string textline = "";
            int cisilko = 0;

            StreamReader objReader = new StreamReader(TXT_filename.Text);

            do
            {
                if (cisilko == 0)
                {
                    cisilko++;
                }
                else
                {

                    textline = textline + objReader.ReadLine() + "\r\n";
                }
            } while (objReader.Peek() != -1);
            objReader.Close();
            MessageBox.Show(textline);
        }

        private void button2_Click(object sender, EventArgs e)
        {
            

            if (jedna.Text != "" || dva.Text != "") {
                
                zapis = jedna.Text + " " + dva.Text + "\r\n";
                zapis += "&";
                for (int i = 1; i <= int.Parse(jedna.Text)*int.Parse(dva.Text) -2; i++) { 
                if(i%int.Parse(jedna.Text) == 0){
               zapis += "\r\n";
                }
                zapis += ".";
                
                }
                zapis += "#";
                MessageBox .Show (zapis);
                button5.Visible = true;
                button4.Visible = true;
                button3.Visible = true;
                button6.Visible = true;
                label4.Visible = true;
                label5.Visible = true;
                label6.Visible = true;
                label7.Visible = true;
                TXT_bpr.Visible = true;
                TXT_bps.Visible = true;
                TXT_tr.Visible = true;
                TXT_ts.Visible = true;
                    
            }


            
        }

        private void button5_Click(object sender, EventArgs e)
        {
            string cesta = "C:\\m06\\" + textBox1.Text;
            StreamWriter objWriter = new StreamWriter(cesta);
            objWriter.Write(zapis);
            objWriter.Close();
            zapis = "";
            button5.Visible = false;
            button4.Visible = false;
            button3.Visible = false;
            button6.Visible = false;
            label4.Visible = false;
            label5.Visible = false;
            label6.Visible = false;
            label7.Visible = false;
            TXT_bpr.Visible = false;
            TXT_bps.Visible = false;
            TXT_tr.Visible = false;
            TXT_ts.Visible = false;
            textBox1.Text = "";
            jedna.Text = "";
            dva.Text = "";

        }

        private void button6_Click(object sender, EventArgs e)
        {
            MessageBox.Show (zapis);
        }

        private void button3_Click(object sender, EventArgs e)
        {
            if (TXT_bpr.Text != "" || TXT_bps.Text != "")
            {
                int bpradek = int.Parse(TXT_bpr.Text);
                int bpsloupec = int.Parse(TXT_bps.Text);

                zapis.Replace("&",".");

                zapis.Insert(bpradek *10 + bpsloupec, "&");
                zapis.Remove(bpradek *10+ bpsloupec +1);
                
                
                MessageBox.Show(zapis);
              

            }
        }

        private void button4_Click(object sender, EventArgs e)
        {
            if (TXT_tr.Text != "" || TXT_ts.Text != "")
            {
                int tradek = int.Parse(TXT_tr.Text);
                int tsloupec = int.Parse(TXT_ts.Text);
                
                zapis.Replace("#", ".");

                zapis.Insert(tradek * 10 + tsloupec, "#");
                zapis.Remove(tradek * 10 + tsloupec + 1);

                
                MessageBox.Show(zapis);


            }
        }

       
    }
}