• Creating Instances

• Altering Measurement Units

• Setting the Client View

• Setting an Accessory View

• Setting the Zero Mark Position

• Adding and Removing Markers

• Drawing Temporary Ruler Lines

• Drawing

• Ruler Layout

• Adding markers

• Moving markers

• Removing markers

• Handling mouse events

• Changing client view

• registerUnitWithName:abbreviation:unitToPointsConversionFactor:stepUpCycle:stepDownCycle:

• accessoryView

• addMarker:

• baselineLocation

• clientView

• drawHashMarksAndLabelsInRect:

• drawMarkersInRect:

• initWithScrollView:orientation:

• invalidateHashMarks

• isFlipped

• markers

• measurementUnits

• moveRulerlineFromLocation:toLocation:

• orientation

• originOffset

• removeMarker:

• requiredThickness

• reservedThicknessForAccessoryView

• reservedThicknessForMarkers

• ruleThickness

• scrollView

• setAccessoryView:

• setClientView:

• setMarkers:

• setMeasurementUnits:

• setOrientation:

• setOriginOffset:

• setReservedThicknessForAccessoryView:

• setReservedThicknessForMarkers:

• setRuleThickness:

• setScrollView:

• trackMarker:withMouseEvent:

• rulerView:didAddMarker:

• rulerView:didMoveMarker:

• rulerView:didRemoveMarker:

• rulerView:handleMouseDown:

• rulerView:shouldAddMarker:

• rulerView:shouldMoveMarker:

• rulerView:shouldRemoveMarker:

• rulerView:willAddMarker:atLocation:

• rulerView:willMoveMarker:toLocation:

• rulerView:willSetClientView:

• NSRulerOrientation