VisualBasic6.0实现DOS定时关机源码，本程序就直接利用了“Shell”的命令代码，是一个引用cmd介入命令的代码，比如想测试网速: -VisualBasic6.0 DOS timer shutdown source, the program will directly use the "Shell" command code, a reference cmd intervene in the code of the command, for example, wanted t