The global instance pointer IOTOT has the following methods
  which control display colors of an input form.

  procedure SetColLabel(Off,OffHot,On,OnHot:byte);
  procedure SetColButton(Off,OffHot,On,OnHot:byte);
  procedure SetColGroup(Off,OffHot,On,OnHot:byte);
  procedure SetColList(Off,OffHot,On,OnHot:byte);
  procedure SetColField(Off,On,Mask,Inactive:byte);
  procedure SetColMsg(Col:byte);
  function  LabelCol(Element:byte):byte;
  function  ButtonCol(Element:byte):byte;
  function  GroupCol(Element:byte):byte;
  function  ListCol(Element:byte):byte;
  function  FieldCol(Element:byte):byte;
  function  MessageCol:byte;







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