Line |
An object that represents a force/moment applied in a linear manner.

System Object
Autodesk.Revit.DB Element
Autodesk.Revit.DB.Structure LoadBase
Autodesk.Revit.DB.Structure LineLoad
Autodesk.Revit.DB Element
Autodesk.Revit.DB.Structure LoadBase
Autodesk.Revit.DB.Structure LineLoad
Namespace: Autodesk.Revit.DB.Structure
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)

The LineLoad type exposes the following members.

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 ) |
![]() | 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 ) |
![]() | EndPoint | Returns the three dimensional location of the end point for the line load. |
![]() | ForceVector1 | The force vector applied to the start point of the line load, oriented according to OrientTo setting. |
![]() | ForceVector2 | The force vector applied to the end point of the line load, oriented according to OrientTo setting. |
![]() ![]() | 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 ) |
![]() | HostElementId | The host element ID for the load. (Inherited from LoadBase ) |
![]() ![]() | Id | A unique identifier for an Element in an Autodesk Revit project. (Inherited from Element ) |
![]() | IsConstrainedOnHost | The load is constrained to host or not. (Inherited from LoadBase ) |
![]() | IsHosted | Indicates if the Load is hosted or non-hosted. (Inherited from LoadBase ) |
![]() | IsModifiable | Identifies if the element is modifiable. (Inherited from Element ) |
![]() | IsProjected | Indicates if the load is projected. |
![]() | IsReaction | The load is reaction option. (Inherited from LoadBase ) |
![]() | IsTransient | Indicates whether an element is transient or permanent. (Inherited from Element ) |
![]() | IsUniform | Indicates if the load is uniform. |
![]() | IsValidObject | Specifies whether the .NET object represents a valid Revit entity. (Inherited from Element ) |
![]() | LevelId | The id of the level associated with the element. (Inherited from Element ) |
![]() | LoadCase | The load case for the load. (Inherited from LoadBase ) |
![]() | LoadCaseId | The load case ID for the load. (Inherited from LoadBase ) |
![]() | LoadCaseName | The name of the load case to which this load belongs. (Inherited from LoadBase ) |
![]() | LoadCategoryName | The name of the category to which this load belongs. (Inherited from LoadBase ) |
![]() | LoadNatureName | A string representing the nature of the load. (Inherited from LoadBase ) |
![]() ![]() | Location | This property is used to find the physical location of an element within a project. (Inherited from Element ) |
![]() | MomentVector1 | The moment vector applied to the start point of the line load, oriented according to OrientTo setting. |
![]() | MomentVector2 | The moment vector applied to the end point of the line load, oriented according to OrientTo setting. |
![]() | Name | A human readable name for the Element. (Inherited from Element ) |
![]() | OrientTo | The load orientation option. (Inherited from LoadBase ) |
![]() | OwnerViewId | The id of the view that owns the element. (Inherited from Element ) |
![]() ![]() | Parameter BuiltInParameter | Retrieves a parameter from the element given a parameter id. (Inherited from Element ) |
![]() | Parameter Definition | Retrieves a parameter from the element based on its definition. (Inherited from Element ) |
![]() | Parameter Guid | Retrieves a parameter from the element given a GUID for a shared parameter. (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 ) |
![]() | StartPoint | Returns the three dimensional location of the start point for the line load. |
![]() ![]() | 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 ) |
![]() | WorkPlaneId | Id of the work plane which may determine the orientation of the load. (Inherited from LoadBase ) |
![]() | WorksetId | Get Id of the Workset which owns the element. (Inherited from Element ) |

Name | Description | |
---|---|---|
![]() | 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 ) |
![]() ![]() | Create(Document, ElementId, XYZ, XYZ, LineLoadType) | Creates a new hosted line load within the project. |
![]() ![]() | Create(Document, ElementId, Curve, XYZ, XYZ, LineLoadType) | Creates a new custom line load within the project. |
![]() ![]() | Create(Document, ElementId, Int32, XYZ, XYZ, LineLoadType) | Creates a new hosted line load within the project. |
![]() | 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 ) |
![]() | GetCurve | Returns curve that define geometry of the line load. |
![]() | 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 ) |
![]() ![]() | 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 the default hash function. (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 ) |
![]() | 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 ) |
![]() | GetSubelements | Returns the collection of element subelements. (Inherited from Element ) |
![]() | 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 ) |
![]() | HasPhases | Returns true if this Element has the properties CreatedPhaseId and DemolishedPhaseId. (Inherited from Element ) |
![]() | IsCreatedPhaseOrderValid | Returns true if createdPhaseId and demolishedPhaseId are in order. (Inherited from Element ) |
![]() ![]() | IsCurveInsideHostBoundaries | Indicates if the curve is inside panel's boundaries or on panel's edges or if the curve is on the member's curve. |
![]() | 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 ) |
![]() | IsOrientToPermitted | Indicates if the provided orientation is permitted for this load. (Inherited from LoadBase ) |
![]() | 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 ) |
![]() ![]() | IsValidHostId | Indicates if the provided host id can host line loads The document containing both the host and the load The id of the analytical element that is about to host a line load True if a line load can be placed on the input host id |
![]() | 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 ) |
![]() | RemoveHostConstraint | Removes constraint from host for this load. (Inherited from LoadBase ) |
![]() | SetCurve | Sets the curve for the line load. |
![]() | SetEntity | Stores the entity in the element. If an Entity described by the same Schema already exists, it is overwritten. (Inherited from Element ) |
![]() | SetPoints | Sets start and end point of the line load. |
![]() | ToString | Returns a string that represents the current object. (Inherited from Object ) |

The load/moment may be uniform or it may vary between the two ends of the line.

private void LineLoadInformation(LineLoad lineLoad)
{
StringBuilder information = new StringBuilder("Line Load: ");
// Get the load case name
information.Append("\nLoad case for load: " + lineLoad.LoadCaseName);
//Get the three dimensional force applied to the start point and end point of the line load.
information.Append("\nForce at the start of this line load: " + XYZToString(lineLoad.ForceVector1));
information.Append("\nForce at the end of this line load: " + XYZToString(lineLoad.ForceVector2));
//Get the three dimensional location of the start point and end point for the line load.
information.Append("\nStart point of this line load: " + XYZToString(lineLoad.StartPoint));
information.Append("\nEnd Point of this line load: " + XYZToString(lineLoad.EndPoint));
//Get the three dimensional moment applied to the start point and end point of the line load.
information.Append("\nMoment at the start of this line load: " + XYZToString(lineLoad.MomentVector1));
information.Append("\nMoment at the end of this line load: " + XYZToString(lineLoad.MomentVector2));
//Whether the load is projected or not
if (lineLoad.IsProjected)
{
information.Append("\nThis line load is projected.");
}
else
{
information.Append("\nThis line load is not projected");
}
//Report if the load is uniform
if (false != lineLoad.IsUniform)
{
information.Append("\nThis load is uniform.");
}
else
{
information.Append("\nThis load is not uniform.");
}
//show information of lineload in a MessageBox.
TaskDialog.Show("Revit",information.ToString());
}
// output the point's three coordinates
string XYZToString(XYZ point)
{
return "(" + point.X + ", " + point.Y + ", " + point.Z + ")";
}
