setFloatValue:knobProportion:
Sets the position of the knob to aFloat, which is a value from 0.0 (indicating the top or left end) to 1.0 (the bottom or right end).
Declaration
- (void) setFloatValue:(float) value knobProportion:(CGFloat) proportion;Discussion
Also sets the proportion of the knob slot filled by the knob to knobProp, also a value from 0.0 (minimal size) to 1.0 (fills the slot).