class CWindowCoord;
class CWindowCropOK;
class CWindowCropGUI;
+class CWindowMaskTrack;
class CWindowMaskItems;
class CWindowMaskName;
class CWindowMaskDelMask;
class CWindowMaskGangFader;
class CWindowMaskAffectedPoint;
class CWindowMaskFocus;
+class CWindowMaskDrawCenter;
class CWindowMaskDrawMarkers;
class CWindowMaskDrawBoundary;
class CWindowMaskDelPoint;