ListBox item select default

I am wondering how you can select by default an item of the listbox. eg. actual.

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I have tried

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Is there something wrong with the logic or should I use other instructions ?
If I choice only one item in the ListBox it works. If a choice two (1 and 2) in the same time then he select twice the last item (each case produce a sub, so he runs twice the same sub) in this case he runs twice 2.

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If I use the the variable "i" it works.

Has somenone move this or did I it ? These are two different threads.