Overloaded constructor used create an instance of the PieModel class during serialization. The public properties of this class are set by this contructor as they are obtained from the IPieChart interface object passed as the parameter.

'宣言
 
Public Function New( _
   ByVal chart As IPieChart, _
   Optional ByVal serializeData As System.Boolean _
)

public PieModel( 
   IPieChart chart,
   System.bool serializeData
)