gistfile1.txt

    class DxLibProxy
    {
        private static readonly int DX_SUCCESS = 0;
        private static readonly int DX_FAILED = -1;
        private static readonly int DX_ERROR = 1;

        public static bool Init()
        {
            return Process(
                (() => DX.ChangeWindowMode(DX.TRUE) != DX_SUCCESS),
                (() => DX.SetGraphMode(DXEnvironment.SX, DXEnvironment.SY, 32) != DX_SUCCESS),
                (() => DX.DxLib_Init() != DX_SUCCESS)
            );
        }

        private static bool Process(params Func<bool>[] funcs)
        {
            foreach (var f in funcs)
                if (f()) return false;
            return true;
        }

        public static bool Fina()
        {
            return false;
        }
    }