How to automate response to msgbox

Question

I am developing a C# application to automate the running of a legacy VBScript(vbs) file which calls several VB6 .exe files. The .exe files have message box pop-ups that I need t

Answer 1

After spending the last 2 days trying to get this working, I finally gave up and decided on another approach. I am interrogating the data that is being sent to the external process and screening it for the conditions that are causing the message box pop-ups. Thanks to everyone who replied with answers!