windows时间 api

typedef struct _FILETIME {
    DWORD dwLowDateTime;
    DWORD dwHighDateTime;
} FILETIME, *PFILETIME, *LPFILETIME;

 

typedef struct _SYSTEMTIME {
    WORD wYear;
    WORD wMonth;
    WORD wDayOfWeek;
    WORD wDay;
    WORD wHour;
    WORD wMinute;
    WORD wSecond;
    WORD wMilliseconds;
} SYSTEMTIME, *LPSYSTEMTIME;

FILETIME和SYSTEMTIME都只是记录时间的结构。

GetLocalTime能够得到本地电脑设置时区的时间，得到的类型是SYSTEMTIME的类型。

常用转换函数：

GetSystemTime

GetSystemTimeAsFileTime

 

LONG WINAPI CompareFileTime(const FILETIME *lpft1, const FILETIME *lpft2);
BOOL WINAPI FileTimeToSystemTime(const FILETIME *lpft, LPSYSTEMTIME lpst);
BOOL WINAPI SystemTimeToFileTime(const SYSTEMTIME *lpst, LPFILETIME lpft);
BOOL WINAPI FileTimeToLocalFileTime(const FILETIME *lpft, LPFILETIME lpftLocal);
BOOL WINAPI LocalFileTimeToFileTime(const FILETIME *lpftLocal, LPFILETIME lpft);

Win7 时间权限

BOOL ImproveProcPriv()
{
    HANDLE token;
    //提升权限
    if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES,&token))
    {
        MessageBox(NULL,"打开进程令牌失败...","错误",MB_ICONSTOP);
        return FALSE;
    }
    TOKEN_PRIVILEGES tkp;
    tkp.PrivilegeCount = 1;
    ::LookupPrivilegeValue(NULL,SE_SYSTEMTIME_NAME,&tkp.Privileges[0].Luid);
    tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
    if(!AdjustTokenPrivileges(token,FALSE,&tkp,sizeof(tkp),NULL,NULL))
    {
        MessageBox(NULL,"调整令牌权限失败...","错误",MB_ICONSTOP);
        return FALSE;
    }
    CloseHandle(token);
    return TRUE;
}
SetSystemTimeAdjustment

 

http://msdn.microsoft.com/zh-SG/library/ms724943