<XmlElementAttribute(True)>
Public Property defaultNamespace As String

Dim instance As CallOptions
Dim value As String
 
instance.defaultNamespace = value
 
value = instance.defaultNamespace

[XmlElementAttribute(true)]
public string defaultNamespace {get; set;}

[XmlElementAttribute(true)]
public: __property string* get_defaultNamespace();
public: __property void set_defaultNamespace( 
   string* value
);

[XmlElementAttribute(true)]
public:
property String^ defaultNamespace {
   String^ get();
   void set (    String^ value);
}