System.Net.WebHeaderCollection public class WebHeaderCollection : NameValueCollection, ISerializable Documentation public string this[HttpRequestHeader header] { get; set; } public string this[HttpResponseHeader header] { get; set; } public WebHeaderCollection() protected WebHeaderCollection(SerializationInfo serializationInfo, StreamingContext streamingContext) public static bool IsRestricted(string headerName) public static bool IsRestricted(string headerName, bool response) public void Add(HttpRequestHeader header, string value) public void Add(HttpResponseHeader header, string value) public void Add(string header) protected void AddWithoutValidate(string headerName, string headerValue) public void Remove(HttpRequestHeader header) public void Remove(HttpResponseHeader header) public void Set(HttpRequestHeader header, string value) public void Set(HttpResponseHeader header, string value) public byte[] ToByteArray()