ServicePointManager.MaxServicePoints 属性

定义

命名空间:

System.Net

程序集:

System.Net.ServicePoint.dll

Source:

ServicePointManager.cs

获取或设置任何时候保持的最大 ServicePoint 对象数。

public:
 static property int MaxServicePoints { int get(); void set(int value); };

public static int MaxServicePoints { get; set; }

static member MaxServicePoints : int with get, set

Public Shared Property MaxServicePoints As Integer

属性值

Int32

要保持的最大 ServicePoint 对象数。 默认值是 0，表示对 ServicePoint 对象的数量没有限制。

例外

ArgumentOutOfRangeException

MaxServicePoints 小于 0 或大于 Int32.MaxValue。

示例

下面的代码示例设置此属性。

// Set the maximum number of ServicePoint instances to 
// maintain. If a ServicePoint instance for that host already 
// exists when your application requests a connection to
// an Internet resource, the ServicePointManager object
// returns this existing ServicePoint instance. If none exists 
// for that host, it creates a new ServicePoint instance.
ServicePointManager::MaxServicePoints = 4;

// Set the maximum idle time of a ServicePoint instance to 10 seconds.
// After the idle time expires, the ServicePoint object is eligible for
// garbage collection and cannot be used by the ServicePointManager.
ServicePointManager::MaxServicePointIdleTime = 10000;

// Set the maximum number of ServicePoint instances to
// maintain. If a ServicePoint instance for that host already
// exists when your application requests a connection to
// an Internet resource, the ServicePointManager object
// returns this existing ServicePoint instance. If none exists
// for that host, it creates a new ServicePoint instance.
ServicePointManager.MaxServicePoints = 4;

// Set the maximum idle time of a ServicePoint instance to 10 seconds.
// After the idle time expires, the ServicePoint object is eligible for
// garbage collection and cannot be used by the ServicePointManager object.
ServicePointManager.MaxServicePointIdleTime = 10000;

' Set the maximum number of ServicePoint instances to maintain.
' Note that, if a ServicePoint instance for that host already 
' exists when your application requests a connection to
' an Internet resource, the ServicePointManager object
' returns this existing ServicePoint. If none exists 
' for that host, it creates a new ServicePoint instance.
ServicePointManager.MaxServicePoints = 4

' Set the maximum idle time of a ServicePoint instance to 10 seconds.
' After the idle time expires, the ServicePoint object is eligible for
' garbage collection and cannot be used by the ServicePointManager.
ServicePointManager.MaxServicePointIdleTime = 10000

注解

将 属性减少MaxServicePoints到当前存在的对象数ServicePoint以下时，会ServicePointManagerServicePoint删除空闲时间最长的对象。 如果具有活动连接的对象数 ServicePoint 大于 的值 MaxServicePoints，则 对象将在 ServicePointManager 对象变为空闲时删除 ServicePoint 这些对象。

另请参阅

• ServicePoint
• WebPermission