抓图程序，通过输入抓图区域的坐标，来选择抓图的范围．-Previously procedure for the adoption of regional input screen in the coordinates to choose Previously scope.

VC++ 6.0编写的基于对话框的程序，能够实现屏幕截取，并把选定的屏幕区域拷贝到位图中。-Written in VC++ 6.0 dialog-based programs that enable the screen capture, and to place copies of the selected screen area chart.

实现读取数字图形验证码-realize read number pic valid code