[vtkusers] vtkGenericDataObjectReader, error handling

[Bill Lorensen]

Unfortunately, it looks like there is no way to know if the file can be
read. You can try to catch the vtkError. This example may be helpful:
http://vtk.org/Wiki/VTK/Examples/Cxx/Utilities/ObserveError

Bill



On Fri, Apr 19, 2013 at 5:19 AM, Michal Szostakiewicz <creed at icm.edu.pl>wrote:

> Hi!
>
> When I use vtkGenericDataObjectReader (or any other reader), how can I
> check if the file I'm opening is a proper file?
>
> Method SetFileName() runs just fine, but then when I call Update() or
> GetOutput() it prints a bunch of errors (on Windows it's even worse,
> because it creates a separate window for them).
>
> So how can I check if user chose a valid VTK file?
>
>
> Best regards,
> Michał
>
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