Código Delphi [-] procedure KeyPress(Sender: TObject; var Key: Char); begin if not(Key in ['A'..'Z', 'a'..'z', #9, #8]) then key := #0; end;
procedure KeyPress(Sender: TObject; var Key: Char); begin if not(Key in ['A'..'Z', 'a'..'z', #9, #8]) then key := #0; end;