What the!...

First of all I tried to detect in Private Sub Combo1_Change()
the difference between Combo1.listindex = -1 and higher (selected in the dropdownbox), but it didn't work in VB.NET.
(In VBA it works perfectly!)

So I tried it differently:
I've made parallel to the change sub an 'click sub' to detect
the clicking in the dropbox.
If I fill my combobox and click in de dropdownbox,
then the combobox.text clears itself!

Does anyone know how to code the detection of changing the combobox through writing and change by selecting something in the dropbox?

Please help, I'v tried to much...