WinCE 同步服务器时间至设备

最新推荐文章于 2024-05-24 17:00:10 发布

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最新推荐文章于 2024-05-24 17:00:10 发布

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本文链接：https://blog.youkuaiyun.com/caojiaohu2258/article/details/74421667

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这段代码展示了如何在WinCE设备上通过DllImport调用SetLocalTime方法，将服务器时间同步到设备本地时间。首先定义了一个SystemTime结构体，然后在settime方法中，根据传入的DateTime对象填充结构体，最后调用SetLocalTime设置新的时间。如果出现错误，会显示错误提示。

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        [DllImport("coredll.dll", SetLastError = true)]
        public static extern int SetLocalTime(ref SystemTime lpSystemTime);
        //struct for date/time apis 
        public struct SystemTime
        {
            public short wYear;
            public short wMonth;
            public short wDayOfWeek;
            public short wDay;
            public short wHour;
            public short wMinute;
            public short wSecond;
            public short wMilliseconds;
        }


        void settime(System.DateTime remoteTime)
        {
            try
            {
                SystemTime newTime = new SystemTime();
                newTime.wYear = (short)remoteTime.Year;
                newTime.wMonth = (short)remoteTime.Month;
                newTime.wDay = (short)remoteTime.Day;
                newTime.wHour = (short)remoteTime.Hour;
                newTime.wMinute = (short)remoteTime.Minute;
                newTime.wSecond = (short)remoteTime.Second;
                newTime.wMilliseconds = (short)remoteTime.Millisecond;
                newTime.wDayOfWeek = (short)remoteTime.DayOfWeek;
                // 设置本地时间
                SetLocalTime(ref newTime);
            }
            catch
            {
                MessageBox.Show("获取服务器时间设置本地时间失败！", "错误提示", MessageBoxButtons.OK, MessageBoxIcon.Hand, MessageBoxDefaultButton.Button1);
            }
        }

//设置时间

DateTime dt = Convert.ToDateTime(time);
settime(dt);