Hi everybody,<br>
I am trying to use a KeyPressEvent in my application using some test
callback. I have followed the procedure listed below,&nbsp; but when I
press a key nothing happens.<br>
Could someone please tell me if I am missing something?<br>
Thank you very much for your help.<br>
<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Luca<br>
<br>
Code: <br>
<br>
vtkXRenderWindowInteractor *iren = vtkXRenderWindowInteractor::New();<br>
<br>
vtkCallbackCommand *keyPressCB = vtkCallbackCommand::New();<br>
&nbsp; keyPressCB-&gt;SetClientData(iren);<br>
&nbsp; keyPressCB-&gt;SetCallback (keyPressCallback); //&nbsp; keyPressCallback is created elsewhere. It prints a message.<br>
&nbsp;  <br>
vtkInteractorStyleTrackballCamera *styleTrackball = vtkInteractorStyleTrackballCamera::New();<br>
&nbsp; styleTrackball-&gt;AddObserver(vtkCommand::KeyPressEvent, keyPressCB);<br>
<br>
iren-&gt;SetInteractorStyle(styleTrackball);