ServiceDescriptionFormatExtensionCollection.IsRequired(Object) 方法

定义

命名空间:

System.Web.Services.Description

程序集:

System.Web.Services.dll

返回一个值，该值指示指定的对象是否对于 XML Web services 的操作是必需的。

public:
 bool IsRequired(System::Object ^ item);

public bool IsRequired (object item);

member this.IsRequired : obj -> bool

Public Function IsRequired (item As Object) As Boolean

参数

item

Object

要检查其是否必要的对象，该对象为 XmlElement 类型或 ServiceDescriptionFormatExtension 类型。

返回

Boolean

如果 item 参数是必需的，则为 true；否则，为 false。

示例

// Check 'IsRequired' status for 'myFormatExtensionObject' object in collection.
Console::WriteLine( "'IsRequired' status for {0} object is {1}.", myFormatExtensionObject, myCollection->IsRequired( myFormatExtensionObject ) );

// Check 'IsRequired' status for 'myFormatExtensionObject' object in collection.
Console.WriteLine("'IsRequired' status for {0} object is {1}.",
         myFormatExtensionObject.ToString(),
         myCollection.IsRequired(myFormatExtensionObject).ToString());

' Check 'IsRequired' status for 'myFormatExtensionObject' object in collection.
Console.WriteLine("'IsRequired' status for {0} object is {1}.", _
        myFormatExtensionObject.ToString(), _
        myCollection.IsRequired(myFormatExtensionObject).ToString())