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ReplaceParameter Method (FamilyParameter, ExternalDefinition, ForgeTypeId, Boolean)

Family Manager Replace Parameter(Family Parameter, External Definition, Forge Type Id, Boolean) Method

Replace a family parameter with a shared parameter.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Syntax 
public FamilyParameter ReplaceParameter(
	FamilyParameter currentParameter,
	ExternalDefinition familyDefinition,
	ForgeTypeId groupTypeId,
	bool isInstance
)

Parameters

currentParameter FamilyParameter
The current family parameter.
familyDefinition ExternalDefinition
The definition of the loaded shared parameter.
groupTypeId ForgeTypeId
The identifier of the group to which the new shared parameter belongs.
isInstance Boolean
Indicates if the new parameter is instance or type.

Return Value

FamilyParameter
If replacement was successful the new shared parameter is returned, otherwise an exception with failure information will be thrown.
Exceptions
Exception Condition
ArgumentNullException Thrown when the input argument-"familyParameter" or "name"-is .
ArgumentException Thrown when the input argument-"familyParameter"-is invalid, or the input parameter group cannot be assigned to the new parameter, or the input name string contains illegal characters, or duplicated with existing parameter name.
InvalidOperationException Thrown when trying to replace a built-in parameter.
InvalidOperationException Thrown when replacement failed, because the replacement would cause a formula error. Or trying to replace with an instance parameter of image type.
Remarks
This operation is invalid for Built-in Parameters. The formulas and labels which in reference to this parameter will be updated to the new parameter.
See Also