KBForm: Validity
  Geom   : (500,400)
    KBField: Field_1
      Value  : ''
      Geom   : (170,20)
    KBButton: check
      Text   : Check (Check)
      Geom   : (110,30)
    KBField: Field_2
      Value  : ''
      Geom   : (170,20)
    KBChoice: Choice_1
      Geom   : (170,20)
    KBChoice: Choice_2
      Geom   : (170,20)

