public virtual double GetDoubleAttribute(
	string name,
	double defaultValue
)

Public Overridable Function GetDoubleAttribute ( 
	name As String,
	defaultValue As Double
) As Double

public:
virtual double GetDoubleAttribute(
	String^ name, 
	double defaultValue
)

abstract GetDoubleAttribute : 
        name : string * 
        defaultValue : float -> float 
override GetDoubleAttribute : 
        name : string * 
        defaultValue : float -> float