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| 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;
using System.Threading.Tasks;
namespace Crypt
{
public partial class Form1 : Form
{
public OpenFileDialog openFiles;
public SaveFileDialog saveFiles;
private string fileName = "Untitled";
private bool m_DocumentChanged = false;
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
this.Text = "Crypt";
}
private void Шифрувати_Click(object sender, EventArgs e)
{
int add;
string text = Convert.ToString(richTextBox1.Text);
char[] open_txt_chars = text.ToCharArray();
char[] key = text.ToCharArray();
char[] autokey_chars = new char[open_txt_chars.Length];
char[] encr_chars text = Convert.ToString(textBox1.Text);<=====вот тут
//= new char[open_txt_chars.Length];
Array.Copy(key, 0, autokey_chars, 0, key.Length);
Array.Copy(open_txt_chars, 0, autokey_chars, key.Length, autokey_chars.Length - key.Length);
for (int i = 0; i < autokey_chars.Length; i++)
{
add = (open_txt_chars[i] + autokey_chars[i]) % 9899;
encr_chars[i] = (char)add;
}
text = new string(encr_chars);
richTextBox2.Text = text.ToString();
}
private void Дешифрувати_Click(object sender, EventArgs e)
{
int subs;
string text = Convert.ToString(richTextBox1.Text);
char[] encr_chars = text.ToCharArray();
char[] decr_chars = new char[encr_chars.Length];
text = Convert.ToString(textBox1.Text);
char[] key = text.ToCharArray();
for (int i = 0; i < encr_chars.Length; )
{
for (int j = 0; j < key.Length; j++)
{
if (i == encr_chars.Length)
break;
subs = ((encr_chars[i] - key[j]) % 9899);
decr_chars[i] = (char)subs;
key[j] = decr_chars[i];
i++;
}
}
text = new string(decr_chars);
richTextBox2.Text = text.ToString();
}
private void відкритиToolStripMenuItem_Click(object sender, EventArgs e)
{
openFiles = new OpenFileDialog();
openFiles.Title = "Шифратор";
openFiles.Filter = "Текстовий файл(*.txt)|*.txt";
if (openFiles.ShowDialog() == DialogResult.OK)
{
richTextBox1.Clear();
TextReader reader = new StreamReader(openFiles.FileName, Encoding.Default);
var text = reader.ReadToEnd();
reader.Close();
richTextBox1.Text = text;
fileName = openFiles.FileName;
}
}
private void зберегтиToolStripMenuItem_Click(object sender, EventArgs e)
{
MenuFileSaveAs();
}
private void MenuFileSaveAs()
{
try
{
saveFiles = new SaveFileDialog();
saveFiles.Title = "Зберегти";
saveFiles.Filter = "Текстовий файл(*.txt)|*.txt";
if (saveFiles.ShowDialog() == DialogResult.OK)
{
StreamWriter streamwriter =
new System.IO.StreamWriter(saveFiles.FileName, false,
System.Text.Encoding.GetEncoding("utf-8"));
m_DocumentChanged = false;
streamwriter.Write(this.richTextBox1.Text);
streamwriter.Close();
}
MessageBox.Show("Файл успішно збережено", "Інфо", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
catch (Exception ex) { MessageBox.Show("Помилка, при збереженню файла! " + ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error); }
}
private void richTextBox2_TextChanged(object sender, EventArgs e)
{
m_DocumentChanged = true;
}
private void Очистити_Click(object sender, EventArgs e)
{
richTextBox1.Clear();
richTextBox2.Clear();
textBox1.Clear();
}
private void вихідToolStripMenuItem_Click(object sender, EventArgs e)
{
Application.Exit();
}
}
} |
(
Сообщение от homerager
