Select Code to Download

.head 6 +  Pushbutton: pbDoIt
.head 7 -  Class Child Ref Key: 5
...
.head 7 +  If nDefault = LB_Err
.head 8 -  Call SalMessageBox( 'Select a default first.', 'Notice', MB
+_WarningOk )
.head 8 -  Return FALSE