ConsoleKeyInfo.cs

namespace System
{
    [Serializable]
    public struct ConsoleKeyInfo
    {
        private char _keyChar;

        private ConsoleKey _key;

        private ConsoleModifiers _mods;

        public char KeyChar => _keyChar;

        public ConsoleKey Key => _key;

        public ConsoleModifiers Modifiers => _mods;

        public ConsoleKeyInfo(char keyChar, ConsoleKey key, bool shift, bool alt, bool control)
        {
            if (key < (ConsoleKey)0 || key > (ConsoleKey)255)
            {
                throw new ArgumentOutOfRangeException("key", Environment.GetResourceString("ArgumentOutOfRange_ConsoleKey"));
            }
            _keyChar = keyChar;
            _key = key;
            _mods = (ConsoleModifiers)0;
            if (shift)
            {
                _mods |= ConsoleModifiers.Shift;
            }
            if (alt)
            {
                _mods |= ConsoleModifiers.Alt;
            }
            if (control)
            {
                _mods |= ConsoleModifiers.Control;
            }
        }

        public override bool Equals(object value)
        {
            if (value is ConsoleKeyInfo)
            {
                return Equals((ConsoleKeyInfo)value);
            }
            return false;
        }

        public bool Equals(ConsoleKeyInfo obj)
        {
            if (obj._keyChar == _keyChar && obj._key == _key)
            {
                return obj._mods == _mods;
            }
            return false;
        }

        public static bool operator ==(ConsoleKeyInfo a, ConsoleKeyInfo b)
        {
            return a.Equals(b);
        }

        public static bool operator !=(ConsoleKeyInfo a, ConsoleKeyInfo b)
        {
            return !(a == b);
        }

        public override int GetHashCode()
        {
            return (int)_keyChar | (int)_mods;
        }
    }
}