/// <summary>
/// Event handler that is fired when this form is shown.
/// Changes window title and gets current Windows Product Key.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MainForm_Shown(object sender, EventArgs e)
{
// get the assembly information to display current version in the title of the window
var assemblyName = AssemblyName.GetAssemblyName(Assembly.GetExecutingAssembly().Location);
// format window title text (append version to the current title)
Text = $@"{Text} v{assemblyName.Version.Major}.{assemblyName.Version.Minor}";
// get the current Windows Product Key and display it
tbWindowsProductKey.Text = KeyDecoder.GetWindowsProductKeyFromRegistry();
}
/// <summary>
/// Event handler that decodes DigitalProductId and shows result in ProductKey textbox.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnParseDigitalProductId_Click(object sender, EventArgs e)
{
// Try to decode input string and detect, if the string is in expected format.
// Maybe some regex would do it better? ;)
//
// let wrap everything we do with input string into try/catch to display error
// message when anything fails
try
{
// First try to split the string into the key and value
var keyValue = tbDigitalProductId.Text.Trim().Split('=');
// Get the key
var key = keyValue[0].Trim();
// Is this a valid key
if (!key.Equals("\"DigitalProductId\""))
{
SetParseErrorMessage();
return;
}
// Get the value and remove unwanted characters...
var value = keyValue[1].Replace("\\\r\n", "").Replace(" ", "").Trim();
// Regedit hex value?
if (!value.StartsWith("hex:", StringComparison.InvariantCultureIgnoreCase))
{
SetParseErrorMessage();
return;
}
// Convert comma delimited string hex values into byte array
var hexValues = value.Remove(0, 4).Split(',');
// crete byte array from hex values
var byteValues = hexValues.Select(s => Convert.ToByte(s.ToUpper(), 16)).ToArray();
tbProductKey.Text = KeyDecoder.GetWindowsProductKeyFromDigitalProductId(
byteValues,
cbDigitalProductIdVersion.SelectedIndex == 0
? DigitalProductIdVersion.UpToWindows7
: DigitalProductIdVersion.Windows8AndUp);
btnCopyToClipboard.Enabled = true;
}
catch (Exception)
{
SetParseErrorMessage();
}
}
private void GetKey()
{
tbWindowsProductKey.Text = KeyDecoder.GetWindowsProductKey();
tbOfficeProductKey.Text = KeyDecoder.GetOfficeProductKey();
}