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[LBJ]

The following two code examples show the same gui with the exception that the second version is wrapped in a function.

In each instance I've created a simple two element array with items fArray1 = "one", fArray2 = "two" and fArray0 = 2

In the first piece of code the variables are global. In the second instance the variables are local to the function.

The first piece of code runs as expected. The array can be referenced as fArray%A_Index% outside of the gui subroutines and within the gui subroutines. That's what I expected.

The second piece of code can reference the array as fArray%A_Index% *only* while not doing so within a subroutine of the gui.

Inside a gui subroutine within a function, fArray1 = "one" and fArray2 = "two, but fArray%A_Index% is blank even though A_Index = 1 or A_Index = 2. It doesn't appear to be a problem referencing the variables themselves since I can force the value by avoiding %A_Index% style referencing and using a static fArray1 or fArray2.

It just seems to be related to referencing the values of the array via a %A_Index% suffix within a loop of a subroutine of the gui.

[jballi]

I've already banged my head on the wall with this one. The problem is that independent threads (when you press the button, an independent thread is fired) do not like dynamic variables unless they are global.

See this thread for more information (Thanks to Lexikos for identifying the problem):
http://www.autohotkey.com/forum/viewtopic.php?t=25258
Note:The 3rd post is my summary of the problem.

The work around in your second script is to define your array as global.

I hope this is helpful...

[LBJ]