>Hi Fred,
>
>I added my VCX to one of my forms, but still I have the same problem. I might confused you by choosing ListBox as a name for my VCX, so:
>
>ThisFormSet.Form1.AddProperty(‘MyVCX1’)
>Thisformset.Form1.MyVCX1 = CreateObject('MyVCX')
>
>
>Inside DblClick() event of a listBox which is located in MyVCX, I call

ThisFormset.FORM1.List1.Enabled =  .T.

>
>
>I hope it makes sense.

Sorry, I think you've confused me even more. You don't add a .VCX to a form, you add classes.