scrollbaroptionty

type scrollbaroptionty = (

  sbo_thumbtrack,

  sbo_clicktovalue,

  sbo_moveauto,

  sbo_showauto,

  sbo_show,

  sbo_opposite,

  sbo_valuekeys,

  sbo_noarrowkeys,

  sbo_nopagekeys,

  sbo_noreflectedclick

);