Adds an override for the given parameter as its value will be displayed for the Rebar Container element. 
   Namespace:   Autodesk.Revit.DB.Structure  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 22.0.0.0 (22.1.0.0) 
  Since:  2016 
Syntax
| C# | 
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|  | 
| Visual Basic | 
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| Visual C++ | 
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Parameters
- paramId
-  Type:  Autodesk.Revit.DB ElementId  
 The id of the parameter
- value
-  Type:  System Double  
 The override value of the parameter.
Examples
 Copy  C#
 Copy  C# // Override the value for A and set the parameter to modifiable for the given rebar container
void ManageParameters(RebarContainer container)
{
    RebarContainerParameterManager paramManager = container.GetParametersManager();
    Parameter aParam = container.LookupParameter("A");
    if (aParam != null)
    {
        paramManager.AddOverride(aParam.Id, 0.4);
        paramManager.SetOverriddenParameterModifiable(aParam.Id);
    }
} Copy  VB.NET
 Copy  VB.NET ' Override the value for A and set the parameter to modifiable for the given rebar container
Private Sub ManageParameters(container As RebarContainer)
    Dim paramManager As RebarContainerParameterManager = container.GetParametersManager()
    Dim aParam As Parameter = container.LookupParameter("A")
    If aParam IsNot Nothing Then
        paramManager.AddOverride(aParam.Id, 0.4)
        paramManager.SetOverriddenParameterModifiable(aParam.Id)
    End If
End SubExceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentException | paramId is not the id of a parameter in the current document, or its value type is not double. -or- paramId is not a Rebar Container parameter | 
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was null | 
| Autodesk.Revit.Exceptions DisabledDisciplineException | None of the following disciplines is enabled: Structural. |