[vtkusers] vtkSmartPointer usage question

[Jeff Baumes]

On Fri, Nov 6, 2009 at 6:17 PM, F <frinxor at gmail.com> wrote:

> I've been following along with this conversation and following the example
> on the wiki, I tried to do this:
>
>     vtkSmartPointer<vtkMultiBlockPLOT3DReader> m_Reader2;
>     vtkSmartPointer<vtkMultiBlockDataSet> dataset = m_Reader2->GetOutput();
>
> which gave me an error
>  error C2664: 'vtkSmartPointerBase::vtkSmartPointerBase(vtkObjectBase *)' :
> cannot convert parameter 1 from 'vtkMultiBlockDataSet *' to 'vtkObjectBase
> *'
>
> I can't seem to figure out why this is the case?
>
>
>
These seemingly cryptic errors with smart pointers normally mean that you
forgot an include:

#include "vtkMultiBlockDataSet.h"

Jeff
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