This subclass of NSControl represents a slider control where a user manipulates a knob to select from a range of values: for example, the control in the Volume menu item. The cell for NSSlider is NSSliderCell.

@interface NSSlider : NSControl
// Accessor Methods
- (void)setTitleFont:(NSFont *)fontObj;
- (NSFont *)titleFont;
- (void)setMinValue:(double)aDouble;
- (double)minValue;
- (void)setMaxValue:(double)aDouble;
- (double)maxValue;
- (void)setAltIncrementValue:(double)incValue;
- (double)altIncrementValue;
- (void)setTitleCell:(NSCell *)aCell;
- (id)titleCell;
- (void)setTitleColor:(NSColor *)newColor;
- (NSColor *)titleColor;
- (void)setTitle:(NSString *)aString;
- (NSString *)title;
- (void)setKnobThickness:(float)aFloat;
- (float)knobThickness;
- (void)setImage:(NSImage *)backgroundImage;
- (NSImage *)image;
// Instance Methods
- (BOOL)acceptsFirstMouse:(NSEvent *)theEvent;
- (int)isVertical;