>Ok, instead of the message box, add a pair of edit boxes to the form.
>
>Then try this in each OnComm method:
>
>thisform.edit1.Value = thisform.edit1.Value + this.input
>
>and
>
>thisform.edit2.Value = thisform.edit2.Value + this.input
>
>in the second control.
>
>>for testing I have =MESSAGEBOX(STR(This.commPort)) in OnComm for both.
>>Only is responding.
Exactly the same. No working