winfrom 更改本地时间

最新推荐文章于 2025-03-03 08:54:52 发布

晨土飞扬

最新推荐文章于 2025-03-03 08:54:52 发布

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分类专栏： windows API winform 文章标签： button struct object date

本文链接：https://blog.youkuaiyun.com/Bychentufeiyang/article/details/7206884

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本文详细介绍了如何在C#中使用DllImport和DllImport方法从Kernel32.dll调用SetLocalTime函数来设置本地时间，同时展示了如何将DateTime类型转换为SYSTEMTIME结构进行时间设置，并通过代码示例演示了如何解析日期。

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引用命名空间

using System.Runtime.InteropServices;

[DllImport("Kernel32.dll")]
        private static extern bool SetLocalTime(ref systimelp SystemTime);
        [StructLayout(LayoutKind.Sequential)]
        private struct systime

{
            public ushort wYear;
            public ushort wMonth;
            public ushort wDayOfWeek;
            public ushort wDay;
            public ushort wHour;
            public ushort wMinute;
            public ushort wSecond;
            public ushort wMilliseconds;
        }
        private void SetSystemTime(DateTime date)
        {
            SYSTEMTIME lpTime = new SYSTEMTIME();
            lpTime.wYear = Convert.ToUInt16(date.Year);
            lpTime.wMonth = Convert.ToUInt16(date.Month);
            lpTime.wDayOfWeek = Convert.ToUInt16(date.DayOfWeek);
            lpTime.wDay = Convert.ToUInt16(date.Day);
            DateTime time = DateTime.Now;
            lpTime.wHour = Convert.ToUInt16(time.Hour);
            lpTime.wMinute = Convert.ToUInt16(time.Minute);
            lpTime.wSecond = Convert.ToUInt16(time.Second);
            lpTime.wMilliseconds = Convert.ToUInt16(time.Millisecond);
            SetLocalTime(ref lpTime);
        }