PDFLock

PDFLock - A developer dll for setting all security options, main- and user-password, encryption type ... Royalty free! Easy to use! A testprogram and sample-sources (delphi, vb2008, vb60, c#) are included! You can use it with all well known ides (.NET-IDEs, too!). Try it with Visual Basic, VB2008 Express, VBA, Delphi, C, C++, C#, ...