Gets or sets ResponseLength, when you know the size of your Stream (Response) set this property. This is optional. If you use a MemoryStream and don't provide a value here then it will be cast and it's size used

public Nullable<long> ResponseLength { get; set; }

public:
property Nullable<long long> ResponseLength {
	Nullable<long long> get ();
	void set (Nullable<long long> value);
}