一个监控行业用的针对硬盘录像机进行网络自动校时的程序。很实用可以实现定计划校时，针对网络上设备批量校时。-A monitoring industry with a network DVR for automatic error correction procedures. Can be very useful when planning the school for the school when the volume on the network equipment.

用C#通过调用大华SDK完成对大华硬盘录像机的应用。-C# call Dahua SDK