M

FamilyManager.GetParameter

Description:
Obtains the family parameter with the given built-in parameter identifier.

Remarks:
Returns .a null reference (Nothing in Visual Basic) if the parameter is not found.

public FamilyParameter GetParameter(
	ForgeTypeId parameterTypeId
)

Public Function GetParameter ( _
	parameterTypeId As ForgeTypeId _
) As FamilyParameter

public:
FamilyParameter^ GetParameter(
	ForgeTypeId^ parameterTypeId
)

Autodesk.Revit.DB.ForgeTypeId

parameterTypeId

Identifier of the built-in parameter.

Return Value FamilyParameter

Autodesk.Revit.Exceptions.ArgumentException

parameterTypeId does not identify a built-in parameter. See Parameter.IsBuiltInParameter(ForgeTypeId) and Parameter.GetParameterTypeId(BuiltInParameter).
Autodesk.Revit.Exceptions.ArgumentNullException

A non-optional argument was NULL