public double GetPercentage(
	string name,
	double defaultValue = 0
)

Public Function GetPercentage ( 
	name As String,
	Optional defaultValue As Double = 0
) As Double

public:
double GetPercentage(
	String^ name, 
	double defaultValue = 0
)

member GetPercentage : 
        name : string * 
        ?defaultValue : float 
(* Defaults:
        let _defaultValue = defaultArg defaultValue 0
*)
-> float