static extern bool SystemTimeToFileTime([In] IntPtr lpSystemTime,

    SystemTimeToFileTime(pSystemTime, pFileTime);

[DllImport("kernel32.dll", EntryPoint = "SystemTimeToFileTime", SetLastError = true)]

    public static extern bool SystemTimeToFileTime(ref SYSTEMTIME lpSystemTime, ref FILETIME lpFileTime);

Declare Function SystemTimeToFileTime Lib "Coredll.dll" (TODO) As TODO

        SystemTimeToFileTime(ref st, out ft);