After exploring the image I believe functions keys (F1,F2, etc ) are not handling by KeyboardEvent class.I think it is very common use that function keys in business applications. Someone know if i am true about this topic? . Or maybe someone handling functions keys in an application?TIA Ing. Pablo DigonzelliSoftware Solutions IP-Solutiones SRLMetrotec SRL25 de Mayo 521 Email: [hidden email][hidden email] Cel: 5493815982714