Why is it that in every book I have they show it this way:
Private Sub btnCalculate_Click(sender As System.Object, e As System.EventArgs) Handles btnCalculate.Click
It is the ByVal I'm missing. Why? I'm using the Professional version 10.0.402191.1 SP1 Rel
Private Sub btnCalculate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCalculate.Click
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