一个windows下控制打印的封装类，非常方便，我用它做的套打程序-Print under the control of a windows-type package, a very convenient, I do use it套打procedures

一个打印类，可以对打印机进行设置，也能对打印的内容进行调整，不过没有demo-A print category, can set the printer can also print the contents of the adjustment, but I did not demo