DiscoveryClientDocumentCollection.Contains Method
Determines if the DiscoveryClientDocumentCollection contains an object with the specified URL.
[Visual Basic] Public Function Contains( _ ByVal url As String _ ) As Boolean [C#] public bool Contains( string url ); [C++] public: bool Contains( String* url ); [JScript] public function Contains( url : String ) : Boolean;
Parameters
- url
- The URL for the document to locate within the DiscoveryClientDocumentCollection.
Return Value
true if the DiscoveryClientDocumentCollection contains an object with the specified URL; otherwise, false.
Exceptions
| Exception Type | Condition |
|---|---|
| ArgumentNullException | url is a null reference (Nothing in Visual Basic). |
Example
[Visual Basic, C#, C++] The following code example calls the Contains method to determine if the discovery document contains a member with the URL stored in the StringUrl variable.
[Visual Basic] Dim myContains As Boolean = myDiscoveryClientDocumentCollection.Contains(myStringUrl) If myContains Then Console.WriteLine("The discovery document {0} is present in the Collection", _ myStringUrl) End If [C#] bool myContains = myDiscoveryClientDocumentCollection.Contains(myStringUrl); if (myContains) Console.WriteLine("The discovery document {0} is present in the" + " Collection",myStringUrl); [C++] bool myContains = myDiscoveryClientDocumentCollection->Contains(myStringUrl); if (myContains) Console::WriteLine(S"The discovery document {0} is present in the Collection", myStringUrl);
[JScript] No example is available for JScript. To view a Visual Basic, C#, or C++ example, click the Language Filter button
in the upper-left corner of the page.
Requirements
Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family
See Also
DiscoveryClientDocumentCollection Class | DiscoveryClientDocumentCollection Members | System.Web.Services.Discovery Namespace | Contains