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Exact C# Code Sought to Capture System Shutdown Event in Windows Application

Posted on 2009-04-15
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Last Modified: 2013-12-17
I've read a bunch of posts and off-site URLs on E-E but don't understand how to structure code in C# to capture a system shutdown event so that my forms based app has time to cleanup things before the inevitable end.

I'm seeking three things:
1. What do I put in Form1_Load() method?
2. What is exact C# signature for Closing/OnBeginShutdown/etc. event?
3. What value do I check inside shutdown event that indicates system shutdown?

I haven't found one page the answers these questions in C#... only VB which doesn't help me.
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Question by:ZuZuPetals
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oobayly earned 500 total points
ID: 24148459
http://msdn.microsoft.com/en-us/library/microsoft.win32.systemevents.sessionending.aspx

http://msdn.microsoft.com/en-us/library/microsoft.win32.systemevents.sessionending.aspx
// Hook

Microsoft.Win32.SystemEvents.SessionEnding += new Microsoft.Win32.SessionEndingEventHandler(SystemEvents_SessionEnding);
 

// Handle

    static void SystemEvents_SessionEnding(object sender, Microsoft.Win32.SessionEndingEventArgs e) {

      switch (e.Reason) {

        case Microsoft.Win32.SessionEndReasons.Logoff:

          break;
 

        case Microsoft.Win32.SessionEndReasons.SystemShutdown:

          break;
 

      }

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by:ZuZuPetals
ID: 31570463
Wonderful answer!  Thanks!
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