System.WindowsConsoleDriver.ReadKey C# (CSharp) Method

		public ConsoleKeyInfo ReadKey (bool intercept)
		{
			int eventsRead;
			InputRecord record = new InputRecord ();
			do {
				if (!ReadConsoleInput (inputHandle, out record, 1, out eventsRead))
					throw new InvalidOperationException ("Error in ReadConsoleInput " +
									Marshal.GetLastWin32Error ());
			} while (record.EventType != 1 && !record.KeyDown);

			// RIGHT_ALT_PRESSED 1
			// LEFT_ALT_PRESSED 2
			// RIGHT_CTRL_PRESSED 4
			// LEFT_CTRL_PRESSED 8
			// SHIFT_PRESSED 16
			bool alt = ((record.ControlKeyState & 3) != 0);
			bool ctrl = ((record.ControlKeyState & 12) != 0);
			bool shift = ((record.ControlKeyState & 16) != 0);
			return new ConsoleKeyInfo (record.Character, (ConsoleKey) record.VirtualKeyCode, shift, alt, ctrl);
		}