HttpWebRequest 构造函数

定义

命名空间:

System.Net

程序集:

System.dll

程序集:

System.Net.Requests.dll

程序集:

netstandard.dll

初始化 HttpWebRequest 类的新实例。 这些构造函数已过时；请参阅“备注”部分，了解详细信息。

重载

HttpWebRequest()	已过时。 已过时。 初始化 HttpWebRequest 类的新实例。 此构造函数已过时。
HttpWebRequest(Uri)
HttpWebRequest(SerializationInfo, StreamingContext)	已过时。 已过时。 已过时。 已过时。 已过时。 从 HttpWebRequest 和 SerializationInfo 类的指定实例初始化 StreamingContext 类的新实例。 此构造函数已过时。

注解

这两 HttpWebRequest 个构造函数都已过时，不应使用。 WebRequest.CreateHttp调用该方法以初始化新HttpWebRequest对象。

HttpWebRequest()

注意

This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.

注意

This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.

初始化 HttpWebRequest 类的新实例。 此构造函数已过时。

public:
 HttpWebRequest();

[System.Obsolete("This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.", true)]
[System.Obsolete("This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.", true)]
public HttpWebRequest ();

Public Sub New ()

属性

ObsoleteAttribute

HttpWebRequest(Uri)

public:
 HttpWebRequest(Uri ^ uri);

public HttpWebRequest (Uri uri);

new System.Net.HttpWebRequest : Uri -> System.Net.HttpWebRequest

Public Sub New (uri As Uri)

参数

uri

Uri

HttpWebRequest(SerializationInfo, StreamingContext)

注意

Serialization is obsoleted for this type. https://go.microsoft.com/fwlink/?linkid=14202

注意

WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead

注意

WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.

注意

Serialization is obsoleted for this type. http://go.microsoft.com/fwlink/?linkid=14202

注意

Serialization is obsoleted for this type

从 HttpWebRequest 和 SerializationInfo 类的指定实例初始化 StreamingContext 类的新实例。 此构造函数已过时。

protected:
 HttpWebRequest(System::Runtime::Serialization::SerializationInfo ^ serializationInfo, System::Runtime::Serialization::StreamingContext streamingContext);

[System.Obsolete("Serialization is obsoleted for this type.  https://go.microsoft.com/fwlink/?linkid=14202")]
protected HttpWebRequest (System.Runtime.Serialization.SerializationInfo serializationInfo, System.Runtime.Serialization.StreamingContext streamingContext);

[System.Obsolete("WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead", DiagnosticId="SYSLIB0014", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
protected HttpWebRequest (System.Runtime.Serialization.SerializationInfo serializationInfo, System.Runtime.Serialization.StreamingContext streamingContext);

[System.Obsolete("WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.", DiagnosticId="SYSLIB0014", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
protected HttpWebRequest (System.Runtime.Serialization.SerializationInfo serializationInfo, System.Runtime.Serialization.StreamingContext streamingContext);

[System.Obsolete("Serialization is obsoleted for this type.  http://go.microsoft.com/fwlink/?linkid=14202")]
protected HttpWebRequest (System.Runtime.Serialization.SerializationInfo serializationInfo, System.Runtime.Serialization.StreamingContext streamingContext);

protected HttpWebRequest (System.Runtime.Serialization.SerializationInfo serializationInfo, System.Runtime.Serialization.StreamingContext streamingContext);

[System.Obsolete("Serialization is obsoleted for this type", false)]
protected HttpWebRequest (System.Runtime.Serialization.SerializationInfo serializationInfo, System.Runtime.Serialization.StreamingContext streamingContext);

[<System.Obsolete("Serialization is obsoleted for this type.  https://go.microsoft.com/fwlink/?linkid=14202")>]
new System.Net.HttpWebRequest : System.Runtime.Serialization.SerializationInfo * System.Runtime.Serialization.StreamingContext -> System.Net.HttpWebRequest

[<System.Obsolete("WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead", DiagnosticId="SYSLIB0014", UrlFormat="https://aka.ms/dotnet-warnings/{0}")>]
new System.Net.HttpWebRequest : System.Runtime.Serialization.SerializationInfo * System.Runtime.Serialization.StreamingContext -> System.Net.HttpWebRequest

[<System.Obsolete("WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.", DiagnosticId="SYSLIB0014", UrlFormat="https://aka.ms/dotnet-warnings/{0}")>]
new System.Net.HttpWebRequest : System.Runtime.Serialization.SerializationInfo * System.Runtime.Serialization.StreamingContext -> System.Net.HttpWebRequest

[<System.Obsolete("Serialization is obsoleted for this type.  http://go.microsoft.com/fwlink/?linkid=14202")>]
new System.Net.HttpWebRequest : System.Runtime.Serialization.SerializationInfo * System.Runtime.Serialization.StreamingContext -> System.Net.HttpWebRequest

new System.Net.HttpWebRequest : System.Runtime.Serialization.SerializationInfo * System.Runtime.Serialization.StreamingContext -> System.Net.HttpWebRequest

[<System.Obsolete("Serialization is obsoleted for this type", false)>]
new System.Net.HttpWebRequest : System.Runtime.Serialization.SerializationInfo * System.Runtime.Serialization.StreamingContext -> System.Net.HttpWebRequest

Protected Sub New (serializationInfo As SerializationInfo, streamingContext As StreamingContext)

参数

serializationInfo

SerializationInfo

包含序列化新 HttpWebRequest 对象所需信息的 SerializationInfo 对象。

streamingContext

StreamingContext

包含与新 HttpWebRequest 对象关联的序列化流的源和目标的 StreamingContext 对象。

属性

ObsoleteAttribute

注解

使用序列化时，应用程序必须以完全信任模式运行。

另请参阅

• XML 和 SOAP 序列化