Provides access to the double precision number of the given family parameter.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.3.0.0 (26.3.0.0)
Syntax
C#
public double? AsDouble( FamilyParameter familyParameter )
Parameters
- familyParameter FamilyParameter
Return Value
Nullable<Double>The double value contained in the parameter. Returns null 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 null. |
| ArgumentException | Thrown if the input argument-"familyParameter"-is invalid, |