Contains protocol headers associated with a request or response.
(in System.dll)
Visual Basic (Declaration)
<SerializableAttribute> _
<ComVisibleAttribute(True)> _
Public Class WebHeaderCollection _
Inherits NameValueCollection _
Implements ISerializable
Dim instance As WebHeaderCollection
[SerializableAttribute]
[ComVisibleAttribute(true)]
public class WebHeaderCollection : NameValueCollection,
ISerializable
[SerializableAttribute]
[ComVisibleAttribute(true)]
public ref class WebHeaderCollection : public NameValueCollection,
ISerializable
public class WebHeaderCollection extends NameValueCollection implements ISerializable
The WebHeaderCollection class is generally accessed through WebRequest..::.Headers or WebResponse..::.Headers. Some common headers are considered restricted and are either exposed directly by the API (such as Content-Type) or protected by the system and cannot be changed.
The restricted headers are:
Accept
Connection
Content-Length
Content-Type
Date
Expect
Host
If-Modified-Since
Range
Referer
Transfer-Encoding
User-Agent
Proxy-Connection
System..::.Object
System.Collections.Specialized..::.NameObjectCollectionBase
System.Collections.Specialized..::.NameValueCollection
System.Net..::.WebHeaderCollection
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
.NET Framework
Supported in: 3.5, 3.0, 2.0, 1.1, 1.0
.NET Compact Framework
Supported in: 3.5, 2.0, 1.0
Reference