class CWindowMaskFade;
class CWindowMaskFadeSlider;
class CWindowMaskGangFader;
+class CWindowMaskGangFocus;
+class CWindowMaskSmooth;
+class CWindowMaskGangSmooth;
class CWindowMaskAffectedPoint;
class CWindowMaskFocus;
+class CWindowMaskHelp;
class CWindowMaskDrawMarkers;
class CWindowMaskDrawBoundary;
class CWindowMaskDelPoint;