DateTime.UtcNow decompiled

DateTime.cs

/// <summary>Gets a <see cref="T:System.DateTime" /> object that is set to the current date and time on this computer, expressed as the Coordinated Universal Time (UTC).</summary>
    /// <returns>An object whose value is the current UTC date and time.</returns>
    [__DynamicallyInvokable]
    public static DateTime UtcNow
    {
      [SecuritySafeCritical, __DynamicallyInvokable] get
      {
        if (!DateTime.s_isLeapSecondsSupportedSystem)
          return new DateTime((ulong) (DateTime.GetSystemTimeAsFileTime() + 504911232000000000L | 4611686018427387904L));
        DateTime.FullSystemTime time = new DateTime.FullSystemTime();
        DateTime.GetSystemTimeWithLeapSecondsHandling(ref time);
        return DateTime.CreateDateTimeFromSystemTime(ref time);
      }
    }

    [SecurityCritical]
    [MethodImpl(MethodImplOptions.InternalCall)]
    internal static extern long GetSystemTimeAsFileTime();

    [SecurityCritical]
    [MethodImpl(MethodImplOptions.InternalCall)]
    internal static extern bool ValidateSystemTime(ref DateTime.FullSystemTime time, bool localTime);

    [SecurityCritical]
    [MethodImpl(MethodImplOptions.InternalCall)]
    internal static extern void GetSystemTimeWithLeapSecondsHandling(
      ref DateTime.FullSystemTime time);

    [SecurityCritical]
    [SuppressUnmanagedCodeSecurity]
    [DllImport("QCall", CharSet = CharSet.Unicode)]
    internal static extern bool IsLeapSecondsSupportedSystem();

    [SecurityCritical]
    [MethodImpl(MethodImplOptions.InternalCall)]
    internal static extern bool SystemFileTimeToSystemTime(
      long fileTime,
      ref DateTime.FullSystemTime time);

    [SecurityCritical]
    [MethodImpl(MethodImplOptions.InternalCall)]
    internal static extern bool SystemTimeToSystemFileTime(
      ref DateTime.FullSystemTime time,
      ref long fileTime);