Slider API: Changes

The following header file(s) have changed between 3.0 and 3.1

**Table 1:** aknslider.h
Type	Class	Change
New public method	`CAknSlider`	`void SetGraphics( TInt aElement, CFbsBitmap* aBitmap, CFbsBitmap* aMask );`
New public method	`CAknSlider`	`void UseDefaultGraphics( TInt aElement );`
New public method	`CAknSlider`	`TBool UsesDefaultGraphics( TInt aElement ) const;`
New public method	`CAknSlider`	`void SetPositionIndicators( TUint32 aFlags );`
New public method	`CAknSlider`	`TUint32 PositionIndicators() const;`
New public method	`CAknSlider`	`TAknOrientation Orientation() const;`
New public method	`CAknSlider`	`void SetTicksEnabled( TBool aStatus );`
New public method	`CAknSlider`	`TBool TicksEnabled() const;`
New public method	`CAknSlider`	`void SetTickInterval( TUint aInterval );`
New public method	`CAknSlider`	`TUint TickInterval() const;`
New public unnamed enum	`CAknSlider`	Elements that currently support custom graphics.
New public unnamed enum	`CAknSlider`	Supported slider position indicators.

The following header file(s) have changed between 3.1 and 3.2

**Table 2:** aknslider.h
Type	Class	Change
New unnamed enum value	`CAknSlider`	`EElemMarkerSelected`
New public method	`CAknSlider`	`IMPORT_C void GetRange( TInt& aMinimumValue, TInt& aMaximumValue );`
New public method	`CAknSlider`	`IMPORT_C void EnableDrag();`