[vtkusers] RenderWindow question...

[Charl P. Botha]

On Thu, Feb 27, 2003 at 02:06:00PM -0600, Tuhin wrote:
>   I'm having a vtkXOpenGLRenderWindow problem.  It seems that when a user 
> deletes the window the link between the window and VTK isn't cut.  
> Specifically, vtkXOpenGLRenderWindow::Mapped is not reset and 
> vtkXOpenGLRenderWindow::WindowId is not set to 0x0.  Thus, when a Render() 
> call is made to the window (after the user has deleted the window) I get a 
> SIGPIPE.  I have done a little X programming in the past and have used WM 
> events (i.e. WM_DELETE_WINDOW) to tell me when my window was being destroyed.  
> I looked through the VTK nightly source and I couldn't find any classes that 
> used WM_DELETE_WINDOW or the call 'XSetWMProtocols' function that one uses to 
> set WM event notifications.

How do you delete this window?  This should be done with the Delete() method
and DEFINITELY not C++ delete.  If you use the latter, you WILL run into
problems.

Also, you shouldn't use vtkXOpenGLRenderWindow directly.

-- 
charl p. botha http://cpbotha.net/ http://visualisation.tudelft.nl/