[vtkusers] How to get progress from vtkImageReader2?

[lucky]

I am using vtkImageReader2 to read the *.raw and *.vol volume data. I am
trying to get the progress of reading data using this vtk example 
https://www.vtk.org/Wiki/VTK/Examples/Cxx/Developers/ProgressReport
<https://www.vtk.org/Wiki/VTK/Examples/Cxx/Developers/ProgressReport>  , but
it's not working. Any suggestion?



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