/// <summary> /// Obtains the next character or function key pressed by the user. /// The pressed key is optionally displayed in the console window. /// </summary> /// <param name="intercept">Determines whether to display the pressed key in the console window. /// true to not display the pressed key; otherwise, false.</param> /// <returns>A ConsoleKeyInfo object that describes the ConsoleKey constant and Unicode /// character, if any, that correspond to the pressed console key.></returns> public ConsoleKeyInfo ReadKey(bool intercept) { if (disposed) { throw new ObjectDisposedException(this.ToString()); } // @TODO: How to I echo the key? ConsoleInputEventInfo[] buff = new ConsoleInputEventInfo[1]; int numEvents = 0; bool isGood = false; ConsoleKeyEventInfo keyEvent = new ConsoleKeyEventInfo(); do { if (!WinCon.ReadConsoleInput(Handle, buff, 1, ref numEvents)) { throw new IOException("Error reading console.", Marshal.GetLastWin32Error()); } // Make sure it's a key down event and that the key is // one of the virtual key codes.... if (buff[0].EventType == ConsoleInputEventType.KeyEvent) { keyEvent = buff[0].KeyEvent; isGood = keyEvent.KeyDown && (Enum.GetName(typeof(ConsoleKey), (ConsoleKey)keyEvent.VirtualKeyCode) != null); } } while (!isGood); // Create ConsoleKeyInfo from key event return(new ConsoleKeyInfo(keyEvent.UnicodeChar, (ConsoleKey)keyEvent.VirtualKeyCode, (keyEvent.ControlKeyState & ConsoleControlKeyState.ShiftPressed) != 0, (keyEvent.ControlKeyState & (ConsoleControlKeyState.RightAltPressed | ConsoleControlKeyState.LeftAltPressed)) != 0, (keyEvent.ControlKeyState & (ConsoleControlKeyState.RightCtrlPressed | ConsoleControlKeyState.LeftCtrlPressed)) != 0)); }
/// <summary> /// /// </summary> /// <param name="nEvents"></param> /// <returns></returns> public ConsoleInputEventInfo[] ReadEvents(int nEvents) { if (disposed) { throw new ObjectDisposedException(this.ToString()); } ConsoleInputEventInfo[] events = new ConsoleInputEventInfo[nEvents]; int eventsRead = 0; if (!WinCon.ReadConsoleInput(Handle, events, nEvents, ref eventsRead)) { throw new System.IO.IOException("Unable to read events.", Marshal.GetLastWin32Error()); } if (eventsRead < nEvents) { // create a new array that contains just the events that were read ConsoleInputEventInfo[] newBuff = new ConsoleInputEventInfo[eventsRead]; Array.Copy(events, newBuff, eventsRead); events = newBuff; } return(events); }