Licenseinfo.setlicensekey

For a Windows Forms or WPF application, place it inside the Main method before any licensed control is instantiated:

Ensure the method is called before the first licensed control is created. Verify the key string (no extra spaces, correct encoding). 2. LicenseExpiredException Cause: The license key has passed its expiration date (common for annual subscriptions). licenseinfo.setlicensekey

// Set license key as early as possible LicenseInfo.SetLicenseKey("YOUR_LICENSE_KEY_HERE"); For a Windows Forms or WPF application, place

LicenseInfo.SetLicenseKey("YOUR_LICENSE_KEY_HERE"); Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); Application.Run(new MainForm()); licenseinfo.setlicensekey