[vtkusers] Window Flickers /MFC

[Nigel Nunn]

Hi Amit, 
 
Override OnEraseBkgnd().  See below. 
Can someone fix this in the MFC sample? 
 
> When I resize(stretch or shrink via mouse) the window 
> the whole view area flickers. I checked whether the 
> double buffering mode is ON & by default it is. I tried 
> the same process on other imaging applications & there 
> the flicker is absent. 
 
 
BEGIN_MESSAGE_MAP(vtkMFCRenderView, CView) 
  //{{AFX_MSG_MAP(vtkMFCRenderView) 
  ... 
  ON_WM_ERASEBKGND() 
  ... 
  //}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
 
BOOL vtkMFCRenderView::OnEraseBkgnd(CDC* pDC) 
{ 
  // RenderWindow paints itself. 
  // Avoid screen flicker. 
  return TRUE; 
} 
 
Nigel 
 
 

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