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    /// <summary>
    /// Obtains the next character or function key pressed by the user. The pressed key is optionally displayed in the console window.
    /// </summary>
    /// 
    /// <returns>
    /// A <see cref="T:System.ConsoleKeyInfo"/> object that describes the <see cref="T:System.ConsoleKey"/> constant and Unicode character, if any, that correspond to the pressed console key. The <see cref="T:System.ConsoleKeyInfo"/> object also describes, in a bitwise combination of <see cref="T:System.ConsoleModifiers"/> values, whether one or more SHIFT, ALT, or CTRL modifier keys was pressed simultaneously with the console key.
    /// </returns>
    /// <param name="intercept">Determines whether to display the pressed key in the console window. true to not display the pressed key; otherwise, false. </param><exception cref="T:System.InvalidOperationException">The <see cref="P:System.Console.In"/> property is redirected from some stream other than the console.</exception><filterpriority>1</filterpriority>
    [SecuritySafeCritical]
    [HostProtection(SecurityAction.LinkDemand, UI = true)]
    public static ConsoleKeyInfo ReadKey(bool intercept)
    {
      int numEventsRead = -1;
      Win32Native.InputRecord buffer;
      lock (Console.ReadKeySyncObject)
      {
        if ((int) Console._cachedInputRecord.eventType == 1)
        {
          buffer = Console._cachedInputRecord;
          if ((int) Console._cachedInputRecord.keyEvent.repeatCount == 0)
            Console._cachedInputRecord.eventType = (short) -1;
          else
            --Console._cachedInputRecord.keyEvent.repeatCount;
        }
        else
        {
          while (Win32Native.ReadConsoleInput(Console.ConsoleInputHandle, out buffer, 1, out numEventsRead) && numEventsRead != 0)
          {
            short local_3 = buffer.keyEvent.virtualKeyCode;
            if ((Console.IsKeyDownEvent(buffer) || (int) local_3 == 18) && ((int) buffer.keyEvent.uChar != 0 || !Console.IsModKey(buffer)))
            {
              ConsoleKey local_5 = (ConsoleKey) local_3;
              if (!Console.IsAltKeyDown(buffer) || (local_5 < ConsoleKey.NumPad0 || local_5 > ConsoleKey.NumPad9) && (local_5 != ConsoleKey.Clear && local_5 != ConsoleKey.Insert) && (local_5 < ConsoleKey.PageUp || local_5 > ConsoleKey.DownArrow))
              {
                if ((int) buffer.keyEvent.repeatCount > 1)
                {
                  --buffer.keyEvent.repeatCount;
                  Console._cachedInputRecord = buffer;
                  goto label_14;
                }
                else
                  goto label_14;
              }
            }
          }
          throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ConsoleReadKeyOnFile"));
        }
      }
label_14:
      Console.ControlKeyState controlKeyState = (Console.ControlKeyState) buffer.keyEvent.controlKeyState;
      bool shift = (controlKeyState & Console.ControlKeyState.ShiftPressed) != (Console.ControlKeyState) 0;
      bool alt = (controlKeyState & (Console.ControlKeyState.RightAltPressed | Console.ControlKeyState.LeftAltPressed)) != (Console.ControlKeyState) 0;
      bool control = (controlKeyState & (Console.ControlKeyState.RightCtrlPressed | Console.ControlKeyState.LeftCtrlPressed)) != (Console.ControlKeyState) 0;
      ConsoleKeyInfo consoleKeyInfo = new ConsoleKeyInfo(buffer.keyEvent.uChar, (ConsoleKey) buffer.keyEvent.virtualKeyCode, shift, alt, control);
      if (!intercept)
        Console.Write(buffer.keyEvent.uChar);
      return consoleKeyInfo;
    }