此源码利用C#实现多线程控制打印的暂停和继续，以借助于API函数"SetJob"来实现.这个函数可以对一个打印作业的状态进行控制,-The use of C# source code control of multi-threaded printing pause and continue, to the help of API function " SetJob" to achieve. This function can be the status of a print j