Add and Search Hidden Text in PDF with Aspose.PDF for .NET 11.4.0
We are glad to announce the release of Aspose.PDF for .NET 11.4.0 which offers some new features as well as enhancements to previously supported functionalities. The capability to add hidden text in PDF document is one of the major new features introduced in this release. Furthermore, we also have introduced the capability to use PDF file objects after calling ProcessPragraphs() method which is not possible with earlier versions.
Add and Search Hidden Text in PDF Document using C# In order to add hidden text, set TextState.