一个快速截取屏幕数据，保存为PNG的程序。 实现PS的调用处理，增加水印处理和不处理。定时截屏，用于股票软件的开发处理-The interception of a fast-screen data, save it as a PNG procedures. PS to achieve the call processing, increased processing and do not deal with a watermark. Screenshots from time to time