Thanks Herman,

Now it is working fine!


]>>I'm adding a new column in my grid, and then, adding a CheckBox.
>>
>>If I use VFP BaseClass, Column's backcolor works fine. If I use my class, the Column's backcolor change to Form BackColor.
>>
>>I did a example form to show you the problem.
>>
>>http://www.computar.com.br/clientes/checkbox.zip
>>
>>I already check property by property, comparing columns and checks, but I didn't notice nothing different between them.
>>
>
>Hi Rodolfo,
>
>It's because AutoSize property was set to .T., set it to .F.
>
>HTH