19 class DtTrackHistorySettingsRecord;
43 virtual int trackHistoryRibbonLength()
const;
46 virtual void setTrackHistoryRibbonLength(
int maxSamples );
49 virtual float trackHistoryRibbonSpacing()
const;
52 virtual void setTrackHistoryRibbonSpacing(
float spacing );
55 virtual bool trackHistoryRibbonInfinite()
const;
58 virtual void setTrackHistoryRibbonInfinite(
bool isInfinite );
78 virtual void backup();
83 static std::string className();