三维矢量控件.本控件具有下面特征：



从CButton派生的3D矢量MFC控件。

在3D球体上进行实时光显示。

可变球体半径和位置。

支持位图背景。

支持垂直颜色渐变背景。

可变球体颜色、光颜色和周围颜色。

可变光强度。

支持附加控件（自动更新）。

支持鼠标敏感。

支持前向剪切。

支持下面事件的回调函数：

1. 跟踪球体移动。

2. 用户释放跟踪球，也就是，矢量改变。-Three-dimensional vector control. This control has the following features: CButton derived from the 3D vector control MFC. Sphere in the 3D real-time light show. Sphere radius and the location variable. Bitmap background support. To support the vertical gradient background color. Variable sphere color, light color and the color around. Variable light intensity. Support for additional controls (automatic update). Support for mouse-sensitive. Support prior to shearing. Events in support of the following callback functions: 1. Tracking the mobile sphere. 2. Users to track the release of the ball, that is, vector change.