Opening a file from code

Hello
I want to open a Autocad dwg file from code in my program. I have a string variable containing the full path and file name.
I want to open the Autocad dwg file in an instance of Autocad that is already running, I don't want to open Autocad.
The program is written in VB 6.0. Is this possible?

Thank you
John

Use the ShellExecute API function. It should be possible.