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How to Shut Down the System
The Win32 API provides two ways for an application to shut down local or
remote computers:
- Shut down the system.
- Shut down the system and restart it.
Windows NT: The calling process must have the SE_SHUTDOWN_NAME privilege to shut down the
system.
An application can use the ExitWindowsEx function to shut down the system. The system sends the WM_QUERYENDSESSION message to each window, unless ExitWindowsEx is called with the EXW_FORCE flag. While processing WM_QUERYENDSESSION, the
applications perform any cleanup and return TRUE to indicate that they can be
terminated. If EXW_FORCE is used, applications may lose data. For more
information, see Shutting Down.
Windows NT: The InitiateSystemShutdown function starts a timer and displays a dialog box that prompts the user to
log off. While the dialog box is displayed, the AbortSystemShutdown function can stop the timer and prevent the computer from shutting down.
However, if the timer expires, the computer is shut down. InitiateSystemShutdown can also restart the computer following a shutdown operation. For more
information, see Displaying the Shutdown Dialog Box.
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Nostalgia .Net |
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.Net is powerful, but not all-powerful, so sometimes we need to use Win32 API for our .Net applications. It's simple enough with Platform Invoke if you have Win32 skill, but we do not always have time to dig the ancient documentation, declare the special types that are compatible with Win32, find the values of the Win32's constants and so on. Nostalgia .Net offers several simple-to-use classes, and components that will allow you to forget about the headache of Win32 and just use the power of Win32 in your application the same way as you use the native. Net classes. More » |
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