anchor.diff:    FOptSpaceXSize:= _InitOptSpaceXSize;
     FOptArrowSize:= _InitOptArrowSize;
     FOptColoredBandSize:= _InitOptColoredBandSize;
  -  FOptFocusBandSize:= _InitOptFocusBandSize;
  +  FOptActiveMarkSize:= _InitOptActiveMarkSize;
     FOptScrollMarkSizeX:= _InitOptScrollMarkSizeX;
     FOptScrollMarkSizeY:= _InitOptScrollMarkSizeY;
     FOptDropMarkSize:= _InitOptDropMarkSize;
  
positive.code:     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 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;
  
negative.code:     FOptSpaceXInner: integer; //space from "x" square edge to "x" mark
      FOptSpaceXSize: integer; //size of "x" mark
      FOptColoredBandSize: integer; //height of "misc color" line
      FOptActiveMarkSize: integer;
      FOptArrowSize: integer; //half-size of "arrow" mark
      FOptDropMarkSize: integer;
      FOptScrollMarkSizeX: integer;
  