/// <summary>
/// Retrieves the current system time.
/// </summary>
/// <returns>The current system time.</returns>
public static DateTime GetSystemTime()
{
WindowsAPI.SYSTEMTIME systemTime = new WindowsAPI.SYSTEMTIME();
WindowsAPI.GetSystemTime(ref systemTime);
DateTime systemDateTime = new DateTime(
systemTime.wYear, systemTime.wMonth, systemTime.wDay,
systemTime.wHour, systemTime.wMinute, systemTime.wSecond, systemTime.wMilliseconds
);
return(systemDateTime);
}
/// <summary>
/// Sets the system time.
/// </summary>
/// <param name="dateTime">The date and time to set the system clock to.</param>
public static void SetSystemTime(DateTime dateTime)
{
WindowsAPI.SYSTEMTIME systemTime = new WindowsAPI.SYSTEMTIME();
systemTime.wYear = (short)dateTime.Year;
systemTime.wMonth = (short)dateTime.Month;
// wDayOfWeek is ignored by SetSystemTime
systemTime.wDay = (short)dateTime.Day;
systemTime.wHour = (short)dateTime.Hour;
systemTime.wMinute = (short)dateTime.Minute;
systemTime.wSecond = (short)dateTime.Second;
systemTime.wMilliseconds = (short)dateTime.Millisecond;
bool setSucceeded = WindowsAPI.SetSystemTime(ref systemTime);
if (!setSucceeded)
{
throw new SystemTimeException(WindowsAPI.GetLastError());
}
}
