Family |
Set the formula of a family parameter.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)

Parameters
- familyParameter FamilyParameter
- The family parameter.
- formula String
- The formula string, input to clean the formula of the parameter.

Exception | Condition |
---|---|
ArgumentNullException | Thrown when the input argument-"familyParameter"-is . |
InvalidOperationException | Thrown when there is no valid family type, or the parameter cannot be assigned a formula, or the operation make a circular chain of references among the formulas. |
