摘要:
using (Test db = new Test()) { List<table3> list = (from a in db.table1 join b in db.table2 on a.Pid equals b.Pid into c from d in c.DefaultIfEmpty()/ 阅读全文
摘要:
var server = new LocalPrintServer(); var queues = server.GetPrintQueues(); //通过以上这种方式并不能获取到网络共享打印机,在进行尝试后使用以下方式成功获取 var allQueueList = GetPrintersWinS 阅读全文