<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:12pt"><div><br></div><div>Hi,</div><div><br></div><div>I use vtk 5.6.1 under windows XP win32 with visual c++ 2008.<br></div><div><br></div><div>I have test several vtk examples but the HighlightSelectedPoints http://www.vtk.org/Wiki/VTK/Examples/Picking/HighlightSelectedPoints crashes when I execute it.</div><div>I just use the mouse and the program exit and the debugger stop on for(vtkIdType i = 0; i < ids->GetNumberOfTuples(); i++) because ids is NULL<br></div><div>. I test ids and return if null.<br></div><div><br></div><div>Now, If I use the r for the selection and I make the selection, Points has a strange address. this->Points 00000001 whereas when in SetInput Points is OK.</div><div><br></div><div>Any idea ?</div><div><br></div><div>Thank you.</div></div></body></html>