Creates a new Line BoundaryConditions element on a host element. 
   Namespace:   Autodesk.Revit.Creation  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 16.0.0.0 (16.0.0.0) 
Syntax
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| Visual Basic | 
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| Visual C++ | 
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Parameters
- hostElement
 -  Type:  Autodesk.Revit.DB Element  
A Beam. 
- X_Translation
 -  Type:  Autodesk.Revit.DB.Structure TranslationRotationValue  
A value indicating the X axis translation option. 
- X_TranslationSpringModulus
 -  Type:  System Double  
Translation Spring Modulus for X axis. Ignored if X_Translation is not "Spring". 
- Y_Translation
 -  Type:  Autodesk.Revit.DB.Structure TranslationRotationValue  
A value indicating the Y axis translation option. 
- Y_TranslationSpringModulus
 -  Type:  System Double  
Translation Spring Modulus for Y axis. Ignored if Y_Translation is not "Spring". 
- Z_Translation
 -  Type:  Autodesk.Revit.DB.Structure TranslationRotationValue  
A value indicating the Z axis translation option. 
- Z_TranslationSpringModulus
 -  Type:  System Double  
Translation Spring Modulus for Z axis. Ignored if Z_Translation is not "Spring". 
- X_Rotation
 -  Type:  Autodesk.Revit.DB.Structure TranslationRotationValue  
A value indicating the option for rotation about the X axis. 
- X_RotationSpringModulus
 -  Type:  System Double  
Rotation Spring Modulus for X axis. Ignored if X_Rotation is not "Spring" 
Return Value
If successful, NewLineBoundaryConditions returns an object for the newly created BoundaryConditions with the BoundaryType = 1 - "Line". a null reference ( Nothing in Visual Basic) is returned if the operation fails.Remarks
 This method will only function with the Autodesk Revit Structure application. 
 Examples
bool CreateLineConditionsWithElement(FamilyInstance column, Autodesk.Revit.Creation.Document docCreation)
{
    if (StructuralType.Column != column.StructuralType)
    {
        throw new Exception("This sample only works for columns.");
    }
    // Create the new line boundary conditions
    BoundaryConditions condition = docCreation.NewLineBoundaryConditions(column, TranslationRotationValue.Fixed, 0,
                                                                                 TranslationRotationValue.Fixed, 0,
                                                                                 TranslationRotationValue.Fixed, 0,
                                                                                 TranslationRotationValue.Fixed, 0);
    return (null != condition);
} Private Function CreateLineConditionsWithElement(column As FamilyInstance, docCreation As Autodesk.Revit.Creation.Document) As Boolean
    If StructuralType.Column <> column.StructuralType Then
        Throw New Exception("This sample only works for columns.")
    End If
    ' Create the new line boundary conditions
    Dim condition As BoundaryConditions = docCreation.NewLineBoundaryConditions(column, TranslationRotationValue.Fixed, 0, TranslationRotationValue.Fixed, 0, TranslationRotationValue.Fixed, _
        0, TranslationRotationValue.Fixed, 0)
    Return (condition IsNot Nothing)
End Function Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentException | Thrown if the host element does not exist in the given document. |