Handling end process of a windows app

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No, it is not possible to hook the operating system’s decision to end a process. Note, this is not done by task manger, ending a process is the responsibility of the kernel.

You will need to do two things here:

  1. Connect event handlers to the normal user interface messages that tell a application to exit. Use these events to persist data, free resources, and otherwise exit cleanly.
  2. Handle exceptions as appropriate to catch errors and clean up and save data if possible.

Here are a three links to Raymond’s blog explaining why you cannot do what you are asking.

Also, I addressed a similar StackOverflow question here.

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