System.Convert.ToSByte C# (CSharp) Method

        public static sbyte ToSByte(byte value) {
            if (value > SByte.MaxValue) throw new OverflowException(Environment.GetResourceString("Overflow_SByte"));
            return (sbyte)value;
        }

        public sbyte ToSByte(object value)
        {
            if (value == null)
            {
                throw new ArgumentNullException(nameof(value));
            }

            return(SConvert.ToSByte(value, CultureInfo.InvariantCulture));
        }