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HasValue Method

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

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

See Also