DiscoveryClientDocumentCollection.Contains(String) 方法

定义

命名空间:

System.Web.Services.Discovery

程序集:

System.Web.Services.dll

确定 DiscoveryClientDocumentCollection 是否包含具有指定 URL 的对象。

public:
 bool Contains(System::String ^ url);

public bool Contains (string url);

member this.Contains : string -> bool

Public Function Contains (url As String) As Boolean

参数

url

String

要在 DiscoveryClientDocumentCollection 内查找的文档的 URL。

返回

Boolean

如果 DiscoveryClientDocumentCollection 包含具有指定 URL 的对象，则为 true；否则为 false。

例外

ArgumentNullException

url 上声明的默认值为 null。

示例

下面的代码示例调用 Contains 方法以确定发现文档是否包含一个成员，该成员的 URL 存储在 变量中 StringUrl 。

bool myContains = myDiscoveryClientDocumentCollection->Contains( myStringUrl );
if ( myContains )
   Console::WriteLine( "The discovery document {0} is present in the  Collection", myStringUrl );

bool myContains = myDiscoveryClientDocumentCollection.Contains(myStringUrl);
if (myContains)
   Console.WriteLine("The discovery document {0} is present in the"
                     + " Collection",myStringUrl);

Dim myContains As Boolean = myDiscoveryClientDocumentCollection.Contains(myStringUrl)
If myContains Then
   Console.WriteLine("The discovery document {0} is present in the Collection", _
                                                                        myStringUrl)
End If

另请参阅

• Contains(Object)