说明：  /*类名称：bmpScreen.h。 类功能：提供了一个MFC下截取窗口特定部分并保存为bmp图片的类。 类参数：Crect rect, int left, int top, int top, char* name。 类参数说明: (1)Crect rect 定义截图框的大小。 (2)int left 定义截图框距截图窗口左边的距离。 (3)int top 定义截图框距截图窗口上边的距离。 (4)char *name 定义所截图的bmp图像的名称，该图像默认保存在所建项目的目录下。 */
(/* Class name: bmpScreen.h. Class features: MFC provides an interception of a specific part of the window and save it as bmp picture next class. Class parameters: Crect rect, int left, int top, int top, char* name. Class Parameter Description: (1) Crect rect screenshot defined frame size. Distance (2) int left screenshot defined window frame from the left side of the screenshot. Distance (3) int top box from the screenshot screenshot defined upper window. The name of bmp images (4) char* name definition screenshot, the image is saved in the default directory built projects.* /)