Thanks for the Tip!!!
Talking about the second question, my form works with multiple options.
An example: when you select to save a new item, you have to hit an OK button; then the program verify that the item does not exist in the table. If exist, there´s a new process with some objects (visible=.t.), in other case, continue with other controls.
In this part, it´s my problem with the TabOrder cause became a real mess!.
By two common phrases in his vocabulary, we know Hercule Poirot was a great Developer: his use of "the little grey cells" and "order and method".