anchor.diff:      FVScrollbar: TfpgScrollbar;
       FXOffset: integer; // for repaint and scrollbar-calculation
       FYOffset: integer;
  +    FUpdateCount: integer;
       function    GetFontDesc: string;
       function    GetRootNode: TfpgTreeNode;
       procedure   SetDefaultColumnWidth(const AValue: word);
  
positive.code:     inc(i);
    end;
    result := i;
  end;
  
  constructor TfpgTreeview.Create(AOwner: TComponent);
  
negative.code:   FFont := fpgGetFont('#Label1');
    Width := 150;
    Height := 100;
    FUpdateCount := 0;
  
    FHScrollbar := TfpgScrollbar.Create(self);
    FHScrollbar.Orientation := orHorizontal;
  