一个对象，提供了一系列的控制权

浮点值。浮球控制通常是

通过不断表示在图形用户界面

如滑块或旋钮的调节对象。具体的子类

机具控制，如增益和泛

影响线的音频信号，在某种程度上，一个应用程序可以操作。

提供静态内部类的实例类型，用于

识别一些常见的各种浮法控制-A object provides control over a range of

floating-point values.　Float controls are often

represented in graphical user interfaces by continuously

adjustable objects such as sliders or rotary knobs.　Concrete subclasses

of implement controls, such as gain and pan, that

affect a line s audio signal in some way that an application can manipulate.

The　inner class provides static instances of types that are used to

identify some common kinds of float control