Indicates if this family parameter has an assigned value or not.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)

Syntax

C#
public bool HasValue(
	FamilyParameter familyParameter
)
Visual Basic
Public Function HasValue ( _
	familyParameter As FamilyParameter _
) As Boolean
Visual C++
public:
bool HasValue(
	FamilyParameter^ familyParameter
)

Parameters

familyParameter
Type: Autodesk.Revit.DB..::..FamilyParameter

Exceptions

ExceptionCondition
Autodesk.Revit.Exceptions..::..ArgumentNullException Thrown when the input argument-"familyParameter"-is nullNothingnullptra null reference (Nothing in Visual Basic).
Autodesk.Revit.Exceptions..::..ArgumentException Thrown if the input argument-"familyParameter"-is invalid.

See Also