Returns a Boolean value indicating whether the
NSSlider continues to track the pointer until the next mouse up.
- macOS 10.0+
YES if the
NSSlider continues to track the pointer even after it leaves the cell's tracking rectangle; otherwise,
NO. By default, this method returns
If this method returns
YES, users retain control of the knob until they release the mouse button, even if they drag the pointer to the other side of the screen.
You should not call this method explicitly. Override it if you create a subclass of
NSSlider that should track the mouse differently.