At 07:52 30.11.1994 -0200, you wrote:

>You speak portuguese ?

No, just English and Norwegian (and trying to learn a bit of Russian)

>Poperties ValueChecked and ValueUnchcked, do TIB_CheckBox ?

You set these values in the ColumnAttributes of your IB_Query or IB_Cursor:

<YourFieldName>=Boolean=<CheckedValue>,<UncheckedValue>;

Hope this helps,
Set