How to set focus and mark ComboBox value by VBA?

[Knaabis]

I have Form with ComboBox. This ComboBox has validation Rule.
When i scan by barcode scaner wrong info, i get validation message and cursor is placed at end of scaned value.
I can't scan one more time, because i need to mark all this wrong value manualy and only after that i can scan second time.


How to set focus and mark this wrong scaned value by VBA?

[TOMMY.MYERS668]

Pleae keep in mind ive had a long break from vba but three stab I would take woulf be an if statement.
Like...

If validation rule = failed then
Input variable =null
End if.


Sorry I'm on my phone so I can't actually write it in code. But that should blank your input to allow it to scan again.