private void Start_Click(object sender, EventArgs e)
{
Start.Click -= Start_Click;
Start.Click += Stop_Click;
Start.Text = "Stop";
Restart.Visible = true;
Random rand = new Random();
buttons = new Button[sizeSqr, sizeSqr];
Box.Controls.Clear();
int koef = 290 / sizeSqr;
for (int i = 0; i < sizeSqr; i++)
{
for (int j = 0; j < sizeSqr; j++)
{
buttons[i, j] = new Button();
buttons[i, j].Location = new Point(koef * i, koef * j);
buttons[i, j].Size = new Size(koef, koef);
buttons[i, j].TabIndex = 10;
buttons[i, j].UseVisualStyleBackColor = true;
buttons[i, j].Click += PlayButton_Click;
int min = (int)Min.Value;
int max = (int)Max.Value;
int res = rand.Next(min, max);
while (values.IndexOf(res) != -1)
{
res = rand.Next(min, max);
}
values.Add(res);
buttons[i, j].Text = res.ToString();
buttons[i, j].Visible = true;
Box.Controls.Add(buttons[i, j]);
}
}
values.Sort();
TimerProgress.Start();
ControlsParam.Enabled = false;
Progress.Maximum = (int)TrackTime.Value;
}
/// <summary>
/// Handles the Click event of the BtnDecode control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
private async void BtnDecode_ClickAsync(object sender, EventArgs e)
{
if (BtnDecodeReady() == false)
{
return;
}
int charLength = (int)StegDecode.GetCharactersToRead();
string password = TextBoxAesPassword.Text;
// Set up progress report
TimerProgress.Start();
BtnDecode.Enabled = false;
ProgressBarDecode.Maximum = charLength * 8;
ProgressBarDecode.Value = 0;
string message = await Task.Run(() => StegDecode.ReadImage());
if (CheckBoxAes.Checked)
{
message = Crypto.Decrypt(message, password);
if (message == null)
{
TimerProgress.Stop();
BtnDecode.Enabled = true;
MessageBox.Show(String.Format("{0} is not a valid hash type", Settings.Hash));
return;
}
}
if (CheckBoxBase64.Checked)
{
message = Converter.Base64ToAscii(message);
}
TextOutput.Text = message;
BtnDecode.Enabled = true;
ProgressBarDecode.Value = ProgressBarDecode.Maximum;
TimerProgress.Stop();
}
/// <summary>
/// Handles the Click event of the BtnEncode control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
private async void BtnEncodeAsync_ClickAsync(object sender, EventArgs e)
{
if (!BtnEncodeReady())
{
return;
}
string message = TextMessage.Text;
if (CheckBoxBase64.Checked)
{
message = Converter.AsciiToBase64(message);
}
if (CheckBoxAes.Checked)
{
message = Crypto.Encrypt(message, TextBoxAesKey.Text);
if (message == null)
{
MessageBox.Show(String.Format("{0} is not a valid hash type", Settings.Hash));
return;
}
}
BtnEncode.Enabled = false;
// Set up progress report
TimerProgress.Start();
ProgressBarEncode.Maximum = StegEncode.MaxCharacters * 8;
ProgressBarEncode.Value = 0;
Task tEncode = new Task(() => StegEncode.CreateImage(message, StegEncode.OutputFile));
tEncode.Start();
await Task.WhenAll(tEncode);
BtnEncode.Enabled = true;
ProgressBarEncode.Value = ProgressBarEncode.Maximum;
TimerProgress.Stop();
}