Namespace: Autodesk.Revit.DB Class: FamilyType

FamilyType.AsDouble

Method

Description:
Provides access to the double precision number of the given family parameter.

Syntax

public double? AsDouble(
	FamilyParameter familyParameter
)

Public Function AsDouble ( 
	familyParameter As FamilyParameter
) As Double?

public:
Nullable<double> AsDouble(
	FamilyParameter^ familyParameter
)

member AsDouble : 
        familyParameter : FamilyParameter -> Nullable<float>

Parameters

Parameter	Type	Description
familyParameter	FamilyParameter

Return Value

Type	Description
Nullable	The double value contained in the parameter. Returns if the storage type of the input argument is not double type or this parameter has no value.

Exceptions

Exception	Condition
ArgumentNullException	Thrown when the input argument-"familyParameter"-is.
ArgumentException	Thrown if the input argument-"familyParameter"-is invalid,