A ShouldSerialize[Object] method (ShouldSerializeExtUser) that returns true or false. XML serialization enables an object's public fields and properties to be saved and loaded to/from an XML file. Typically, XML serialization will be desired for an object that is not null or empty and has a value such as a string object or a list object that is not null and has at least one element.

'Declaration
 
Public Overridable Function ShouldSerializeExtUser() As Boolean

'Usage
 
Dim instance As Portfolio
Dim value As Boolean
 
value = instance.ShouldSerializeExtUser()

public virtual bool ShouldSerializeExtUser()

public function ShouldSerializeExtUser(): Boolean; virtual; 

public function ShouldSerializeExtUser() : boolean;

public: virtual bool ShouldSerializeExtUser(); 

public:
virtual bool ShouldSerializeExtUser();