Include files

  #include <Taligent/GUICompoundDocument.h>  //TDocumentComponentView declarations
  #include <Taligent/Graphics.h>             //2-D graphics classes declarations
  #include <Taligent/Bundles.h>              //TGrafBundle2D declarations
  #include <Taligent/RGBColor.h>             //TRGBColor declarations
  #include <Taligent/Attribute.h>            //TColorPaint declarations
  #include <Taligent/AreaGeometry.h>         //TGPolygon declarations
  #include <Taligent/MouseInput.h>           //Needed for hit detection