如果您购买了许可证，则许可证可能存在问题.请参阅tallcomponents网站上的许可证疑难解答程序.

There is probably a problem with your license if you ever bought one. See the license troubleshooter on the website of tallcomponents.

您可以使用此代码初始化许可证.

You can intialize the license using this code.

TallComponents.Licensing.LicenseCollection.Add("PDFRasterizer.NET 3.0 Client Component Key", "your_license_key");