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

'宣言
 
Public Function New( _
   ByVal dataLabel As IPieDataLabel, _
   ByVal pieChart As IPieChart _
)

public PieDataLabelModel( 
   IPieDataLabel dataLabel,
   IPieChart pieChart
)