public static SYSTEMTIME FromDateTime(DateTime value)
{
SYSTEMTIME result = new SYSTEMTIME();
result.wYear = (short)value.Year;
result.wMonth = (short)value.Month;
result.wDayOfWeek = (short)value.DayOfWeek;
result.wDay = (short)value.Day;
result.wHour = (short)value.Hour;
result.wMinute = (short)value.Minute;
result.wSecond = (short)value.Second;
result.wMilliseconds = (short)value.Millisecond;
return result;
}
// Set system time
public void SetTime()
{
// Call the native GetSystemTime method
// with the defined structure.
SYSTEMTIME systime = new SYSTEMTIME();
GetSystemTime(ref systime);
//DateTime datetime = TransmitTimestamp;
// Thanks to Jim Hollenhorst <*****@*****.**>
DateTime datetime = DateTime.Now.AddMilliseconds(LocalClockOffset).ToUniversalTime();
systime.wYear = (ushort)datetime.Year;
systime.wMonth = (ushort)datetime.Month;
systime.wDayOfWeek = (ushort)datetime.DayOfWeek;
systime.wDay = (ushort)datetime.Day;
systime.wHour = (ushort)datetime.Hour;
systime.wMinute = (ushort)datetime.Minute;
systime.wSecond = (ushort)datetime.Second;
systime.wMilliseconds = (ushort)datetime.Millisecond;
SetSystemTime(ref systime);
}
public static extern bool SetSystemTime(ref SYSTEMTIME time);
public BLUETOOTH_DEVICE_INFO(long address)
{
dwSize = 560;
Address = address;
ulClassofDevice = 0;
fConnected = false;
fRemembered = false;
fAuthenticated = false;
stLastSeen = new SYSTEMTIME();
stLastUsed = new SYSTEMTIME();
#if DEBUG
// The size is much smaller on CE (no times and string not inline) it
// appears to ignore the bad dwSize value. So don't check this on CF.
System.Diagnostics.Debug.Assert(Marshal.SizeOf(typeof(BLUETOOTH_DEVICE_INFO)) == dwSize, "BLUETOOTH_DEVICE_INFO SizeOf == dwSize");
#endif
szName = "";
}
public bool SetSysTimeByStr(string timestr)
{
int temp = 0;
SYSTEMTIME sysTime = new SYSTEMTIME();
//给sysTIme初始赋值
GetSystemTime(ref sysTime);
string SysTime = timestr;
sysTime.wYear = Convert.ToUInt16(SysTime.Substring(0, 4));
sysTime.wMonth = Convert.ToUInt16(SysTime.Substring(4, 2));
sysTime.wDay = Convert.ToUInt16(SysTime.Substring(6, 2));
sysTime.wHour = Convert.ToUInt16(SysTime.Substring(8, 2));
//为抵消北京时间+8而进行的操作
temp = Convert.ToInt16(SysTime.Substring(8, 2)) - 8;
if (temp < 0)
{
sysTime.wHour = Convert.ToUInt16(temp + 24);//Convert.ToUInt16(SysTime.Substring(8,2))-Convert.ToInt16(8);
sysTime.wDay = Convert.ToUInt16(sysTime.wDay - 1);
if (sysTime.wDay == 0)
{
if (sysTime.wMonth == 5 | sysTime.wMonth == 7 | sysTime.wMonth == 8 | sysTime.wMonth == 10 | sysTime.wMonth == 12)
{
sysTime.wMonth = Convert.ToUInt16(sysTime.wMonth - 1);
sysTime.wDay = Convert.ToUInt16(30);
}
else if (sysTime.wMonth == 1)
{
sysTime.wMonth = Convert.ToUInt16(12);
sysTime.wDay = Convert.ToUInt16(31);
sysTime.wYear = Convert.ToUInt16(sysTime.wYear - 1);
}
else if (sysTime.wMonth == 3)
{
sysTime.wMonth = Convert.ToUInt16(2);
if (sysTime.wYear % 4 == 0 && sysTime.wYear % 100 != 0)
sysTime.wDay = Convert.ToUInt16(29);
else
sysTime.wDay = Convert.ToUInt16(28);
}
else
{
sysTime.wMonth = Convert.ToUInt16(sysTime.wMonth - 1);
sysTime.wDay = Convert.ToUInt16(31);
}
}
}
else
{
sysTime.wHour = Convert.ToUInt16(temp);
}
sysTime.wMinute = Convert.ToUInt16(SysTime.Substring(10, 2));
sysTime.wSecond = Convert.ToUInt16(SysTime.Substring(12, 2));
uint flag = SetSystemTime(ref sysTime);
return Convert.ToBoolean(flag);
}
public static extern bool SetLocalTime(ref SYSTEMTIME time);
public static extern void GetLocalTime(ref SYSTEMTIME theDateTime);
static extern bool SetLocalTime(ref SYSTEMTIME lpSystemTime);
/// <summary>
/// STATIC: Convert to System.DateTime
/// </summary>
/// <param name="time"></param>
/// <returns></returns>
public static DateTime ToDateTime(SYSTEMTIME time)
{
return time.ToDateTime();
}
public static void SetTime(DateTime newUtcTime)
{
// Call the native GetSystemTime method
// with the defined structure.
SYSTEMTIME systime = new SYSTEMTIME();
GetSystemTime(ref systime);
systime.wYear = (ushort)newUtcTime.Year;
systime.wMonth = (ushort)newUtcTime.Month;
systime.wDay = (ushort)newUtcTime.Day;
systime.wHour = (ushort)newUtcTime.Hour;
systime.wMinute = (ushort)newUtcTime.Minute;
systime.wSecond = (ushort)newUtcTime.Second;
systime.wMilliseconds = (ushort)newUtcTime.Millisecond;
SetSystemTime(ref systime);
}
/*{ return false; }*/
//Example
public static void UpdateSystemTime(DateTime NewTime)
{
SYSTEMTIME st = new SYSTEMTIME();
st.FromDateTime(NewTime);
//Call Win32 API to set time
SetLocalTime(ref st);
}
public void SetSystemDateFromDBServer()
{
DateTime d1 = GetDBDate();
string t1 = GetDBTime();
SYSTEMTIME CurDateTime = new SYSTEMTIME();
CurDateTime.wYear = short.Parse(d1.Year.ToString()) ;
CurDateTime.wMonth = short.Parse(d1.Month.ToString()) ;
CurDateTime.wDay = short.Parse(d1.Day.ToString());
string[] strsplit = t1.Split(':');
CurDateTime.wHour = short.Parse(strsplit[0]);
CurDateTime.wMinute = short.Parse(strsplit[1]);
CurDateTime.wSecond = short.Parse(strsplit[2]);
SetLocalTime(ref CurDateTime);
}
private static extern bool SetLocalTime(ref SYSTEMTIME time);
private static extern void GetSystemTime(ref SYSTEMTIME lpSystemTime);
public static extern void GetSystemTime(ref SYSTEMTIME theDateTime);
private static extern uint SetSystemTime(ref SYSTEMTIME lpSystemTime);
internal static extern bool FileTimeToSystemTime([In] ref FILETIME ft, [In, Out] ref SYSTEMTIME st);
