M

FamilyManager.AddParameter(String, BuiltInParameterGroup, Category, Boolean)

Description:
Add a new family type parameter to control the type of a nested family within another family.

Remarks:
This method can work even without any family type, but it cannot be assigned the value via FamilyManager.Set methods when there is no current type.

Overloads (3):

AddParameter(ExternalDefinition,BuiltInParameterGroup,Boolean)

AddParameter(String,BuiltInParameterGroup,Category,Boolean)

AddParameter(String,BuiltInParameterGroup,ParameterType,Boolean)

public FamilyParameter AddParameter(
	string parameterName,
	BuiltInParameterGroup parameterGroup,
	Category familyCategory,
	bool isInstance
)

Public Function AddParameter ( _
	parameterName As String, _
	parameterGroup As BuiltInParameterGroup, _
	familyCategory As Category, _
	isInstance As Boolean _
) As FamilyParameter

public:
FamilyParameter^ AddParameter(
	String^ parameterName, 
	BuiltInParameterGroup parameterGroup, 
	Category^ familyCategory, 
	bool isInstance
)

System.String

parameterName

The name of the new family parameter.
Autodesk.Revit.DB.BuiltInParameterGroup

parameterGroup

The group to which the family parameter belongs.
Autodesk.Revit.DB.Category

familyCategory

The category to which the new family parameter binds.
System.Boolean

isInstance

Indicates if the new family parameter is instance or type.

Return Value FamilyParameter If creation was successful the new parameter is returned, otherwise an exception with failure information will be thrown.

Autodesk.Revit.Exceptions.ArgumentNullException

Thrown when the input argument-"parameterName"-isnullNothingnullptra null reference (Nothingin Visual Basic).
Autodesk.Revit.Exceptions.ArgumentException

Thrown when the input argument-"parameterName"-is already in use, or the input parameter group cannot be assigned to the new parameter, or the input argument-"familyCategory"-is illegal to bind with parameter.
Autodesk.Revit.Exceptions.InvalidOperationException

Thrown when the required family of familyCategory is not existing in current document, , or when the creation failed. Or trying to add an instance parameter of image type.

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FamilyManager.AddParameter(String, BuiltInParameterGroup, Category, Boolean)

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