>I would like to select multiples lines in a Grid, as we do in other windows application
>by clicking CTRL + Arrow.
>
>Is it possible ?
>
>Then delete all marked lines with a delete button, with command delete
>
>Maybe by creating a deleting_yes field in the table, so that this field would be .T.
>when grid lines are marked. (if this field is really necessary)
>
>Do you guys have any hint ?

You can use MultiselectGrid Class (check in downloads clicking my name). It works like windows explorer interface (Click, Ctrl+Click, Shift Click, numpad +,-,* ...)
Cetin