/// <summary>
/// Install the license key entered by the user
/// </summary>
/// <param name="key">The key to install</param>
/// <returns>True if the license was installed successfully</returns>
protected virtual bool InstallLicenseKey(string key)
{
try
{
_license = GetLicenseProvider().InstallLicense(_licenseType, key);
return (_license != null);
}
catch
{
}
return false;
}
/// <summary>
/// Perform licence checking actions.
/// </summary>
/// <param name="ribbon">Ribbon control reference.</param>
protected void PerformLicenceChecking(KryptonRibbon ribbon)
{
// Define the encryted licence information
EncryptedLicenseProvider.SetParameters(_licenseParameters);
// If an error has already been shown, then no need to test license again
bool validated = _usageShown;
if (!validated)
{
// Is there a valid license registered?
License license = null;
validated = LicenseManager.IsValid(typeof(KryptonRibbon), ribbon, out license);
// Valid license is not enough!
if (validated)
{
validated = false;
EncryptedLicense encryptedLicense = license as EncryptedLicense;
string[] productInfo = encryptedLicense.ProductInfo.Split(',');
// Must contain two fields separated by a comma
if (productInfo.Length == 2)
{
// Both fields must not be empty
if (!string.IsNullOrEmpty(productInfo[0]) &&
!string.IsNullOrEmpty(productInfo[1]))
{
// Product code must be ...
// 'S' = Krypton Suite
// And version number...
// '400'
validated = (productInfo[1].Equals("400")) && (productInfo[0][0] == 'S');
}
}
}
}
// If we need to indicate the invalid licensing state...
if (!validated)
{
// Get hold of the assembly version number
Version thisVersion = Assembly.GetExecutingAssembly().GetName().Version;
// We want a unique 30 day evaluation period for each major/minor version
EvaluationMonitor monitor = new EvaluationMonitor(_monitorId + thisVersion.Major.ToString() + thisVersion.Minor.ToString());
// If the first time we have failed to get the licence or
// the 30 days evaluation period has expired or the component
// has been created over a 3000 times then...
if ((monitor.UsageCount == 0) ||
(monitor.UsageCount > 3000) ||
(monitor.DaysInUse > 30))
{
// At runtime show a NAG screen to prevent unauthorized use of the control
if (LicenseManager.CurrentContext.UsageMode == LicenseUsageMode.Runtime)
{
MessageBox.Show("This application was created using an unlicensed version of\n" +
"the Krypton Suite control from Component Factory Pty Ltd.\n\n" +
"You must contact your software supplier in order to resolve\n" +
"the licencing issue.",
"Unlicensed Application",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
else
{
LicenseInstallForm form = new LicenseInstallForm();
form.ShowDialog(typeof(KryptonRibbon));
}
}
}
// No need to perform check check more than once
_usageShown = true;
}