Revit 2026 API
Family |
Provides access to the double precision number of the given family parameter.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.0.4.0 (26.0.4.0)
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
- familyParameter FamilyParameter
Return Value
NullableDoubleThe 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.
| Exception | Condition |
|---|---|
| ArgumentNullException | Thrown when the input argument-"familyParameter"-is . |
| ArgumentException | Thrown if the input argument-"familyParameter"-is invalid, |
See Also