[vtkusers] How to release the memeory of props?

[Helend]

this problem has solved by updating VTK to cvs version

Helend wrote:
> 
> I need to redraw the vtkRenderer when users click the some place of
> window. Firstly, the all props were deleted:
> m_Renderer->RemoveAllViewProps();
> 
> Then, these codes were used to redraw the vtkRenderer 
> 
> vtkPoints           * pts             = vtkPoints::New();
> vtkUnstructuredGrid * aTriangleGrid   = vtkUnstructuredGrid::New();
> vtkDataSetMapper    * aTriangleMapper = vtkDataSetMapper::New();
> vtkActor            * Actor        = vtkActor::New();
> 
> // some codes to create the Props
> 
> m_Renderer->AddViewProp( Actor );
> 
> pts->Delete();
> aTriangleGrid->Delete();
> aTriangleMapper->Delete();
> Actor->Delete();
> 
> The memory was growing with redrawing the vtkRenderer 
> 
> I had tried "vtkSmartPointer", but the problem still existed.
> 
> How to fix this problem? 
> Thank you very much!
> 

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