Representing the bounds of the area to be painted 获取表示待绘制区域的边界的
2.
Gets or sets the rectangle that represents the bounds to draw the text in 获取或设置表示文本绘制区域界限的矩形。
3.
The window manager uses regions to define the drawing area of windows 窗口管理器则使用区域来定义窗口的绘制区域。
4.
Holds the data needed for drawing a control a handle to a graphics object and a rectangle object that represents the region to draw in 保存绘制控件所需的数据，即表示绘制区域的图形对象或矩形对象的句柄。
5.
Move the mouse around within the drawing area of the performancescribble application and observe the changes in the performance console 在performancescribble应用程序的绘制区域来回移动鼠标，并在性能控制台中观察更改。
