System.Data.SqlClient.TdsParser.TdsOutputStream.ValidateWriteParameters C# (CSharp) Method

            internal static void ValidateWriteParameters(byte[] buffer, int offset, int count)
            {
                if (buffer == null)
                {
                    throw ADP.ArgumentNull(nameof(buffer));
                }
                if (offset < 0)
                {
                    throw ADP.ArgumentOutOfRange(nameof(offset));
                }
                if (count < 0)
                {
                    throw ADP.ArgumentOutOfRange(nameof(count));
                }
                try
                {
                    if (checked(offset + count) > buffer.Length)
                    {
                        throw ExceptionBuilder.InvalidOffsetLength();
                    }
                }
                catch (OverflowException)
                {
                    // If we've overflowed when adding offset and count, then they never would have fit into buffer anyway
                    throw ExceptionBuilder.InvalidOffsetLength();
                }
            }
        }