Hello accept warm greetings from Ken J. I have can see you are finding it difficult printing your pdf documents from you "old" dos program. Well if you still love using your program, I can help you fix this in 2 days or less.
As per educational qualification and experience, I have 3 years of experience in C# and .net development including WPF, Console, and Windows form application development PLUS a Bachelors degree in Software Engineering.
My personal quote as a developer "Helping the users of my app do complex things easily".
Contact me over chat so I can start immediately. Best Regards Ken J.