# how to close the vtkRenderWindow with program

**URL:** https://discourse.vtk.org/t/how-to-close-the-vtkrenderwindow-with-program/1308
**Category:** Support
**Created:** [July 9, 2019, 3:25am UTC](https://discourse.vtk.org/t/how-to-close-the-vtkrenderwindow-with-program/1308 "2019-07-09T03:25:21Z")
**Posts on this page:** 4
**Page:** 1

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### Author: ![pingdan](https://discourse.vtk.org/letter_avatar_proxy/v4/letter/p/22d042/32.png) [@pingdan](https://discourse.vtk.org/u/pingdan)
#### Post date: [July 9, 2019, 3:25am UTC](https://discourse.vtk.org/t/how-to-close-the-vtkrenderwindow-with-program/1308/1 "2019-07-09T03:25:22Z")

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![a](https://discourse.vtk.org/uploads/default/original/1X/449ead405796dcf65e3be94746c73b618405fce9.png)

I create a vtkRenderWindow and display image. when I click the ‘x’ icon on the top right ,the vtkRenderWindow can close. Now I want to know how can I close the window with program code.

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### Author: ![Paulo\_Carvalho](https://discourse.vtk.org/user_avatar/discourse.vtk.org/paulo_carvalho/32/370_2.png) [@Paulo\_Carvalho](https://discourse.vtk.org/u/Paulo_Carvalho)
#### Post date: [July 10, 2019, 3:17pm UTC](https://discourse.vtk.org/t/how-to-close-the-vtkrenderwindow-with-program/1308/2 "2019-07-10T15:17:27Z")

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Are you using Qt?

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### Author: ![pingdan](https://discourse.vtk.org/letter_avatar_proxy/v4/letter/p/22d042/32.png) [@pingdan](https://discourse.vtk.org/u/pingdan)
#### Post date: [July 17, 2019, 8:57am UTC](https://discourse.vtk.org/t/how-to-close-the-vtkrenderwindow-with-program/1308/3 "2019-07-17T08:57:10Z")

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no, I am using MFC

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### Author: ![Paulo\_Carvalho](https://discourse.vtk.org/user_avatar/discourse.vtk.org/paulo_carvalho/32/370_2.png) [@Paulo\_Carvalho](https://discourse.vtk.org/u/Paulo_Carvalho)
#### Post date: [July 17, 2019, 11:50am UTC](https://discourse.vtk.org/t/how-to-close-the-vtkrenderwindow-with-program/1308/4 "2019-07-17T11:50:34Z")

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Hello! Fortunately for me 🙂 my MFC days are gone long ago. Today I don’t know how to do it, but doing a little research, it seems that MFC is still not very intuitive as there are many ways to do it and some MFC method and WM\_\* message names are misleading:  
[https://www.codeproject.com/Questions/757974/How-to-close-MFC-Application](https://www.codeproject.com/Questions/757974/How-to-close-MFC-Application)

> <https://stackoverflow.com/questions/14084320/how-to-close-the-main-window-in-mfc-dialog-based-application>

  
[http://forums.codeguru.com/showthread.php?484775-How-can-I-terminate-an-MFC-application-programatically](http://forums.codeguru.com/showthread.php?484775-How-can-I-terminate-an-MFC-application-programatically)