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.
Are you using Qt?
no, I am using MFC
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
http://forums.codeguru.com/showthread.php?484775-How-can-I-terminate-an-MFC-application-programatically