While the library is free to download and test in a development environment, deploying it to production requires a valid license key. Failing to set the license key correctly results in runtime exceptions or watermarks on generated documents. Why the Licenser Class is Required
Set the key in the constructor of your main entry point (e.g., MainWindow.xaml.cs Program.cs MainWindow : Window MainWindow() // Set the license key before calling InitializeComponent Xceed.Words.NET.Licenser.LicenseKey = "YOUR-LICENSE-KEY-HERE" ; InitializeComponent(); xceed.words.net.licenser.licensekey
If you fail to license the component correctly, your application will throw a runtime exception. The most common causes include: While the library is free to download and
The license key version must match the assembly version of the library you are using. 4. Troubleshooting Exception Error: The most common causes include: The license key
Ensure your license key is valid for the specific version of Xceed Words for .NET you are using. Conclusion