Using mirror driver as filter driver in capture desktop screen operation allow system run faster than using device context memory.

使用 QT creater4.0 编码实现再电脑屏幕上通过鼠标点击截取图片文件，病保存在制定文件中。-Using QT creater4.0 coded again through the mouse to click on the computer screen capture image files, the disease is saved in the file.