method before using any other classes in the assembly. The key is typically set in the static constructor of your application's main class. License Key Types
A valid license key is not just a string of characters. It’s a token of trust between you and the library’s maintainers. Use it correctly, place it in your startup code, and enjoy building robust document-processing applications without limits. Gembox.document License Key
Once you receive your license key after purchase, implementing it in your C# or VB.NET project is straightforward. You must call the ComponentInfo.SetLicense method before any other GemBox.Document calls are made. method before using any other classes in the assembly