I'm a software developer. Of course I tried both before posting here. I also tried various launch methods within my code. None of them allowed me to launch DosBox fully hidden. However, because of your last specific post, I realized that I had been using upper case for the environment variable. …

Let me be more specific in my question. You said I should set the following: set sdl_videodriver=dummy Do I set this in the DosBox configuration file or is this a Windows environment variable? Specificially, where do I set this? Thank you.

Which environment variables? Windows?

Thanks. But I tried to find sdl_videodriver documented, and I couldn't find it. Where does one set that parameter?

Thanks for the reply. I was testing DosBox last night. Do you know whether DosBox can be launched completely invisibly? I know I can use the "-noconsole" option to hide that screen. But how about the main DosBox screen? Can that too be hidden easily? Thanks. Robert

A number of years ago I wrote a program in Visual Basic 6 to act as a front end to an old 16-bit QBasic program. After setting up a bunch of variables, the Visual Basic 6 code launches the 16-bit program as a separate process and waits for its completion. On Windows 7, 64-bit mode, the 16-bit …