anchor.diff:      property OptSpaceXInner: integer read FOptSpaceXInner write FOptSpaceXInner default _InitOptSpaceXInner;
       property OptSpaceXSize: integer read FOptSpaceXSize write FOptSpaceXSize default _InitOptSpaceXSize;
       property OptColoredBandSize: integer read FOptColoredBandSize write FOptColoredBandSize default _InitOptColoredBandSize;
  -    property OptFocusBandSize: integer read FOptFocusBandSize write FOptFocusBandSize default _InitOptFocusBandSize;
  +    property OptActiveMarkSize: integer read FOptActiveMarkSize write FOptActiveMarkSize default _InitOptActiveMarkSize;
       property OptArrowSize: integer read FOptArrowSize write FOptArrowSize default _InitOptArrowSize;
       property OptScrollMarkSizeX: integer read FOptScrollMarkSizeX write FOptScrollMarkSizeX default _InitOptScrollMarkSizeX;
       property OptScrollMarkSizeY: integer read FOptScrollMarkSizeY write FOptScrollMarkSizeY default _InitOptScrollMarkSizeY;
  
positive.code:   FOptSpaceXSize:= _InitOptSpaceXSize;
    FOptArrowSize:= _InitOptArrowSize;
    FOptColoredBandSize:= _InitOptColoredBandSize;
    FOptFocusBandSize:= _InitOptFocusBandSize;
    FOptScrollMarkSizeX:= _InitOptScrollMarkSizeX;
    FOptScrollMarkSizeY:= _InitOptScrollMarkSizeY;
    FOptDropMarkSize:= _InitOptDropMarkSize;
  
negative.code:   _InitOptArrowSize = 4;
    _InitOptArrowSpaceLeft = 4;
    _InitOptColoredBandSize = 4;
    _InitOptActiveMarkSize = 4;
    _InitOptScrollMarkSizeX = 20;
    _InitOptScrollMarkSizeY = 3;
    _InitOptDropMarkSize = 6;
  