v11.0 (2013)
This indicates the high-level editing (HLE) operation used in the FCurve Editor, when the HLE tool is enabled.
siHLEOperation.siHLEOperationAbsoluteOffset // 0 siHLEOperation.siHLEOperationRelativeOffset // 1 siHLEOperation.siHLEOperationAbsoluteScaling // 2 |