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Delphi programming prohibits users from shutting down the Operating System

Source: Internet
Author: User
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Delphi programming prohibits users from shutting down the operating system-general Linux technology-Linux programming and kernel information. The following is a detailed description. This example describes how to disable the operating system when the program is running.

Whether the user can disable the operating system is implemented by processing WM_QueryEndSession. Therefore, you must first add the WM_QueryEndSession Message Processing statement to the program:

Procedure QueryEndSession (var Msg: TMessage); Message WM_QueryEndSession;

Its response code is as follows:
QUOTE:

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