C# 通过Win32API设置客户端系统时间

using System;

using ;

class Program

{

// 导入SetSystemTime函数

[DllImport("", SetLastError = true)]

[return: MarshalAs()]

static extern bool SetSystemTime(ref SYSTEMTIME time);

// SYSTEMTIME结构体

[StructLayout()]

public struct SYSTEMTIME

{

public ushort wYear;

public ushort wMonth;

public ushort wDayOfWeek;

public ushort wDay;

public ushort wHour;

public ushort wMinute;

public ushort wSecond;

public ushort wMilliseconds;

// 构造函数，用于方便设置时间

public SYSTEMTIME(int year, int month, int day, int hour, int minute, int second)

{

wYear = (ushort)year;

wMonth = (ushort)month;

wDay = (ushort)day;

wHour = (ushort)hour;

wMinute = (ushort)minute;

wSecond = (ushort)second;

wDayOfWeek = 0; // 通常由系统计算

wMilliseconds = 0; // 如果需要，可以设置

}

}

static void Main(string[] args)

{

// 设置新的系统时间

SYSTEMTIME newTime = new SYSTEMTIME(2023, 10, 1, 14, 30, 0);

if (!SetSystemTime(ref newTime))

{

// 处理错误

int errorCode = Marshal.GetLastWin32Error();

($"Failed to set system time. Error code: {errorCode}");

}

else

{

("System time set successfully.");

}

}

}