You can use the DIRECTORY function to determine whether a drive letter or path designation is valid, e.g.
? DIRECTORY("G")
? DIRECTORY("\\Drive_001\USERS\Target")
I've had so many problems with 7.0 that I haven't even considered going to 8.0. Currently the debugger doesn't work for me in 7.0 -- if any of the debugger windows are open, as soon as a single line of code runs, 7.0 crashes. Also, I still run 6.0, but after installing 7.0, I'm getting a lot...
I had a similar problem, where there were links between class libraries after I copied a project. That is, the parent of a class in library B would be a class in library A. I solved it by temporarily renaming the top-level directory where the original project is. Then I used the class browser...
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