I didn't notice he was trying to do that :)

>>How can i add property to a Custom Visual Class that supports array bahavior.
>>
>>for example, if i add a property Columna, i want to be able to make of this property an array, so in code i will say:
>>
>>this.Columna(1).Value = 0
>
>You're talking about collections here. Otherwise, just use thisform.Columna[1]=0
>thisform.Columna[2]=1
>etc.