Why is textbox.focus throwing the lostfocus event?
- by cost
I've seen a few similar questions on SO but nothing that seems to actually address the issue. Here's a simplified version of the function.
Private Sub Check_Quantity(sender As System.Object, e As System.Windows.RoutedEventArgs) _
Handles textbox_quantity.LostFocus
Dim worked As Boolean = Integer.TryParse(textbox_quantity.Text,…