[vtkusers] interactor problem with 4.2

[Mathieu Malaterre]

laurent Mundeleer wrote:
> Hi all,
> I try to upgrade from 4.0 to 4.2, but I see that some functions have 
> changed.
> I have an interactor who herits from the vtkInteractorStyleTrackballCamera.
> The problem is that the function I want to override OnLeftButtonDown(int 
> ctrl, int shift, int x, int y) has changed to OnLeftButtonDown().
> 
> So I've taked the original function that I've agremented with some calls 
> but I've got errors with lines like these who use the 'Interactor' 
> member : int x = this->Interactor->GetEventPosition()[0];
> int y = this->Interactor->GetEventPosition()[1];
> " invalid use of undefined type `struct vtkRenderWindowInteractor' "
> what should I do?
> 

#include "vtkRenderWindowInteractor.h"

mathieu