You've posted a ton of code that looks to me to be mostly unrelated to the problem. It also depends on external code that we don't have (use AXControl; use AXRecord;), so we can't even compile the code. You'll have to remove all irrelevant code and turn this into a Short, Self-Contained, Correct Example that we can run and that demonstrates the problem.

Having said that, if I try that, I get an error message: "You are overwriting a locally defined method (SetFileName) with an accessor at ...". Maybe you could explain what you are trying to do with SetFileName in the first place?