Delphi X Application

When a person use the X button to terminate my App, what messages are sent to Delphi and how can I caught it code.?
gdavidshawAsked:
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SteveBayCommented:
You will want to use the Form's OnCloseQuery Event there you can decide whether to allow a close or not.
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gdavidshawAuthor Commented:
What about the being cut off by the Task Manager?
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SteveBayCommented:
A close request from task mgr will cause the OnCloseQuery Event to fire but if the program does not finish it's work and close in time then task mrg's "End Program" prompt will appear and there is not much that can prevent that from closing the program.
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gtrifidisCommented:
If the user terminates - kills the application from taskmanager no message will be send to the application.

As i said in this post
http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Windows/XP/Q_24573634.html
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