ConvertToScreen2
lay->ConvertToScreen2(®Z);
ConvertToScreen2(&screenFrame);
fParent->ConvertToScreen2(rect);
fParent->ConvertToScreen2(reg);
void ConvertToScreen2(BRect* rect) const;
void ConvertToScreen2(BRegion* reg) const;
fMovingLayer->ConvertToScreen2(&bounds);
ConvertToScreen2(&fDecRegion);
ConvertToScreen2(&screenFrame);