The FamilyInstance type exposes the following members.
Methods
| Name | Description | |
|---|---|---|
 | AddCoping | Adds a coping (cut) to a steel beam. |
| ArePhasesModifiable | Returns true if the properties CreatedPhaseId and DemolishedPhaseId can be modified for this Element. (Inherited from Element.) |
| CanBeHidden | Indicates if the element can be hidden in the view. (Inherited from Element.) |
| CanBeLocked | Identifies if the element can be locked. (Inherited from Element.) |
| CanDeleteSubelement | Checks if given subelement can be removed from the element. (Inherited from Element.) |
| CanHaveTypeAssigned | Identifies if the element can have a type assigned. (Inherited from Element.) |
| ChangeTypeId(ElementId) | Changes the type of the element. (Inherited from Element.) |
| DeleteEntity | Deletes the existing entity created by %schema% in the element (Inherited from Element.) |
| DeleteSubelement | Removes a subelement from the element. (Inherited from Element.) |
| DeleteSubelements | Removes the subelements from the element. (Inherited from Element.) |
| Dispose | (Inherited from Element.) |
| Equals | Determines whether the specified Object is equal to the current Object. (Inherited from Object.) |
| EvaluateAllParameterValues | Evaluates all the parameters' values of the element. (Inherited from Element.) |
| EvaluateParameterValues | Evaluate the parameters' values of the element on the given parameter ID set. (Inherited from Element.) |
| flipFacing | The orientation of family instance facing will be flipped. If it can not be flipped, return false, otherwise return true. |
| FlipFromToRoom | Flips the settings of "From Room" and "To Room" for the door or window instance. |
| flipHand | The orientation of family instance hand will be flipped. If it can not be flipped, return false, otherwise return true. |
| GetCopingIds | Lists the elements currently used as coping cutters for this element. |
| GetDependentElements | Get all elements that, from a logical point of view, are the children of this Element. (Inherited from Element.) |
| GetEntity | Returns the existing entity corresponding to the Schema if it has been saved in the Element, or an invalid entity otherwise. (Inherited from Element.) |
| GetEntitySchemaGuids | Returns the Schema guids of any Entities stored in this element. (Inherited from Element.) |
| GetExternalFileReference | Gets information pertaining to the external file referenced by the element. (Inherited from Element.) |
| GetExternalResourceReference | Gets the ExternalResourceReference associated with a specified external resource type. (Inherited from Element.) |
| GetExternalResourceReferenceExpanded | Gets the collection of ExternalResourceReference associated with a specified external resource type. (Inherited from Element.) |
| GetExternalResourceReferences | Gets the map of the external resource references referenced by the element. (Inherited from Element.) |
| GetExternalResourceReferencesExpanded | Gets the expanded map of the external resource references referenced by the element. (Inherited from Element.) |
| GetFamilyPointPlacementReferences | Returns the Point Placement References for the Family Instance. |
| GetGeneratingElementIds | Returns the ids of the element(s) that generated the input geometry object. (Inherited from Element.) |
| GetGeometryObjectFromReference | Retrieve one geometric primitive contained in the element given a reference. (Inherited from Element.) |
| GetHashCode | Serves as a hash function for a particular type. (Inherited from Object.) |
| GetMaterialArea | Gets the area of the material with the given id. (Inherited from Element.) |
| GetMaterialIds | Gets the element ids of all materials present in the element. (Inherited from Element.) |
| GetMaterialVolume | Gets the volume of the material with the given id. (Inherited from Element.) |
| GetMonitoredLinkElementIds | Provides the link instance IDs when the element is monitoring. (Inherited from Element.) |
| GetMonitoredLocalElementIds | Provides the local element IDs when the element is monitoring. (Inherited from Element.) |
| GetOrderedParameters | Gets the parameters associated to the element in order. (Inherited from Element.) |
| GetOriginalGeometry | Returns the original geometry of the instance, before the instance is modified by joins, cuts, coping, extensions, or other post-processing. |
| GetParameter | Retrieves a parameter from the element given identifier. (Inherited from Element.) |
| GetParameterFormatOptions | Returns a FormatOptions override for the element Parameter, or a default FormatOptions if no override exists. (Inherited from Element.) |
| GetParameters | Retrieves the parameters from the element via the given name. (Inherited from Element.) |
| GetPhaseStatus | Gets the status of a given element in the input phase (Inherited from Element.) |
| GetReferenceByName | Gets the family instance reference corresponding to the named reference plane in the instance's family. |
| GetReferenceName | Gets the name of the reference plane in the family corresponding to the given family instance reference. |
| GetReferences | Gets family instance references corresponding to the reference planes or reference lines of the given reference type in the instance's family. |
| GetReferenceType | Gets the type of the reference plane or reference line in the instance's family corresponding to the given family instance reference. |
| GetSpatialElementCalculationPoint | Gets the location of the calculation point for this instance. |
| GetSpatialElementFromToCalculationPoints | Gets the locations for the calculation points for this instance. |
| GetSubComponentIds | Gets the sub component ElementIds of the current family instance. |
| GetSubelements | Returns the collection of element subelements. (Inherited from Element.) |
| GetSweptProfile | Gets the object that describes the profile that is swept along the driving curve for this instance. |
| GetTotalTransform | Gets the total transform, which includes the true north transform for instances like import instances. (Inherited from Instance.) |
| GetTransform | Gets the transform of the instance. (Inherited from Instance.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| GetTypeId | Returns the identifier of this element's type. (Inherited from Element.) |
| GetValidTypes | Obtains a set of types that are valid for this element. (Inherited from Element.) |
| HasModifiedGeometry | Identifies if the geometry of this FamilyInstance has been modified from the automatically generated default. |
| HasPhases | Returns true if this Element has the properties CreatedPhaseId and DemolishedPhaseId. (Inherited from Element.) |
| HasSweptProfile | Indicates if this instance can be represented as a swept profile. |
| IsCreatedPhaseOrderValid | Returns true if createdPhaseId and demolishedPhaseId are in order. (Inherited from Element.) |
| IsDemolishedPhaseOrderValid | Returns true if createdPhaseId and demolishedPhaseId are in order. (Inherited from Element.) |
| IsExternalFileReference | Determines whether this Element represents an external file. (Inherited from Element.) |
| IsHidden | Identifies if the element has been permanently hidden in the view. (Inherited from Element.) |
| IsMonitoringLinkElement | Indicate whether an element is monitoring any elements in any linked models. (Inherited from Element.) |
| IsMonitoringLocalElement | Indicate whether an element is monitoring other local elements. (Inherited from Element.) |
| IsPhaseCreatedValid | Returns true if createdPhaseId is an allowed value for the property CreatedPhaseId in this Element. (Inherited from Element.) |
| IsPhaseDemolishedValid | Returns true if demolishedPhaseId is an allowed value for the property DemolishedPhaseId in this Element. (Inherited from Element.) |
| IsValidType(ElementId) | Checks if given type is valid for this element. (Inherited from Element.) |
| LookupParameter | Attempts to find a parameter on the element which has the given name. (Inherited from Element.) |
| RefersToExternalResourceReference | Determines whether this Element uses external resources associated with a specified external resource type. (Inherited from Element.) |
| RefersToExternalResourceReferences | Determines whether this Element uses external resources. (Inherited from Element.) |
| RemoveCoping | Removes a coping (cut) from a steel beam. |
| rotate | The family instance will be flipped by 180 degrees. If it can not be rotated, return false, otherwise return true. |
| SetCopingIds | Specifies the set of coping cutters on this element. |
| SetEntity | Stores the entity in the element. If an Entity described by the same Schema already exists, it is overwritten. (Inherited from Element.) |
| Split | Splits the family instance element at a point on its defining curve. |
| ToString | Returns a string that represents the current object. (Inherited from Object.) |
Properties
| Name | Description | |
|---|---|---|
 | AssemblyInstanceId | The id of the assembly instance to which the element belongs. (Inherited from Element.) |
| BoundingBox | Retrieves a box that circumscribes all geometry of the element. (Inherited from Element.) |
| CanFlipFacing | Property to test whether the orientation of family instance facing can be flipped. |
| CanFlipHand | Property to test whether the orientation of family instance hand can be flipped. |
| CanFlipWorkPlane | Identifies if the instance can flip its work plane. |
| CanRotate | Property to test whether the family instance can be rotated by 180 degrees. |
| CanSplit | Identifies whether a particular family instance can be split at a point on it's defining curve (by Split(Double)). |
| Category | Retrieves a Category object that represents the category or sub category in which the element resides. (Inherited from Element.) |
| CreatedPhaseId | Id of a Phase at which the Element was created. (Inherited from Element.) |
| DemolishedPhaseId | Id of a Phase at which the Element was demolished. (Inherited from Element.) |
| DesignOption | Returns the design option to which the element belongs. (Inherited from Element.) |
| Document | Returns the Document in which the Element resides. (Inherited from Element.) |
| ExtensionUtility | Property to check whether the instance can be extended and return the interface for extension operation. |
| FacingFlipped | Property to test whether the orientation of family instance facing is flipped. |
| FacingOrientation | Property to get the orientation of family instance facing. |
| FromRoom | The "From Room" set for the door or window in the last phase of the project. |
| FromRoomPhase | |
| Geometry | Retrieves the geometric representation of the element. (Inherited from Element.) |
| GroupId | The id of the group to which an element belongs. (Inherited from Element.) |
| HandFlipped | Property to test whether the orientation of family instance hand is flipped. |
| HandOrientation | Property to get the orientation of family instance hand. |
| HasSpatialElementCalculationPoint | Identifies if this instance has a single SpatialElementCalculationPoint used as the search point for Revit to identify if the instance is inside a room or space. |
| HasSpatialElementFromToCalculationPoints | Identifies if this instance has a pair of SpatialElementCalculationPoints used as the search points for Revit to identify if the instance lies between up to two rooms or spaces. |
| Host | If the instance is contained within another element, this property returns the containing element. An instance that is face hosted will return the element containing the face. |
| HostFace | Property to get the reference to the host face of family instance. |
| HostParameter | If the instance is hosted by a wall, this property returns the parameter value of the insertion point of the instance along the wall's location curve, as long as the family of the instance isn't work plane based. |
| Id | A unique identifier for an Element in an Autodesk Revit project. (Inherited from Element.) |
| Invisible | Property to test whether the family instance is invisible. |
| IsModifiable | Identifies if the element is modifiable. (Inherited from Element.) |
| IsSlantedColumn | Indicates if the family instance is a slanted column. |
| IsTransient | Indicates whether an element is transient or permanent. (Inherited from Element.) |
| IsValidObject | Specifies whether the .NET object represents a valid Revit entity. (Inherited from Element.) |
| IsWorkPlaneFlipped | Identifies if the instance's work plane is flipped. |
| LevelId | The id of the level associated with the element. (Inherited from Element.) |
| Location | This property is used to find the physical location of an instance within project. (Overrides ElementLocation.) |
| MEPModel | Retrieves the MEP model for the family instance. |
| Mirrored | Property to test whether the family instance is mirrored. (only one axis is flipped) |
| Name | A human readable name for the Element. (Inherited from Element.) |
| OwnerViewId | The id of the view that owns the element. (Inherited from Element.) |
| ParameterGuid | Retrieves a parameter from the element given a GUID for a shared parameter. (Inherited from Element.) |
| ParameterBuiltInParameter | Retrieves a parameter from the element given a parameter id. (Inherited from Element.) |
| ParameterDefinition | Retrieves a parameter from the element based on its definition. (Inherited from Element.) |
| Parameters | Retrieves a set containing all of the parameters that are contained within the element. (Inherited from Element.) |
| ParametersMap | Retrieves a map containing all of the parameters that are contained within the element. (Inherited from Element.) |
| Pinned | Identifies if the element has been pinned to prevent changes. (Inherited from Element.) |
| Room | The room in which the instance is located (during the last phase of the project). |
| RoomPhase | |
| Space | The space in which the instance is located (during the last phase of the project). |
| SpacePhase | |
| StructuralMaterialId | Identifies the material that defines the instance's structural analysis properties. |
| StructuralMaterialType | This property returns the physical material from which the instance is made. |
| StructuralType | Provides the primary structural type of the instance, such as beam or column etc. |
| StructuralUsage | Provides the primary structural usage of the instance, such as brace, girder etc. |
| SuperComponent | Property to get the super component of current family instance. |
| Symbol | Returns or changes the FamilySymbol object that represents the type of the instance. |
| ToRoom | The "To Room" set for the door or window in the last phase of the project. |
| ToRoomPhase | |
| UniqueId | A stable unique identifier for an element within the document. (Inherited from Element.) |
| VersionGuid | Get the element version Guid. (Inherited from Element.) |
| ViewSpecific | Identifies if the element is owned by a view. (Inherited from Element.) |
| WorksetId | Get Id of the Workset which owns the element. (Inherited from Element.) |