backgroundColor NSNamedColorSpace System controlBackgroundColor drawsBackground 1 borderType 2 documentCursor (null) hasHorizontalScroller 1 hasVerticalScroller 1 autohidesScrollers 1 hasHorizontalRuler 0 hasVerticalRuler 0 rulersVisible 0 10.10 autoAdjContentInsets 1 scrollerKnobStyle 0 scrollerStyle 1 horizontalLineScroll 19 verticalLineScroll 19 horizontalPageScroll 10 verticalPageScroll 10 scrollsDynamically 1 findBarPosition 1 usesPredomAxisScroll 0 horizontalElasticity 0 verticalElasticity 0 10.8 allowsMagnification 0 10.8 maxMagnification 4 10.8 minMagnification 0.25