AsDouble Method


Family Type As Double Method

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

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Syntax
public double? AsDouble(
	FamilyParameter familyParameter
)

Parameters

familyParameter FamilyParameter

Return Value

Nullable Double
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,
See Also
ArchiLabs Desktop

Put AI to work inside Revit.

Give Desktop your instructions and project files to build Revit families, update model elements, and create views and schedules. Works directly in Revit and AutoCAD.

Explore Desktop →