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a guest May 5th, 2012 900 Never
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  1. private void AutoUpdate()
  2. {
  3.         // Get a local pointer to the UpdateManager instance
  4.         UpdateManager updManager = UpdateManager.Instance;          
  5.  
  6.         // Only check for updates if we haven't done so already
  7.         if (updManager.State != UpdateManager.UpdateProcessState.NotChecked)
  8.         {
  9.                 //Update has already begun
  10.                 if (updManager.State == UpdateManager.UpdateProcessState.RollbackRequired)
  11.                 {
  12.                         //If rollback is required carry it out
  13.                         updManager.RollbackUpdates();
  14.                 }
  15.                 else
  16.                 {
  17.                         return;
  18.                 }
  19.         }
  20.  
  21.         try
  22.         {
  23.                 // Check for updates - returns true if relevant updates are found (after processing all the tasks and
  24.                 // conditions)
  25.                 // Throws exceptions in case of bad arguments or unexpected results
  26.                 AppLog.LogEvent("NAppUpdate: Checking for updates");
  27.                 if (updManager.CheckForUpdates())
  28.                 {
  29.                         notifyIcon1.ShowBalloonTip(5000, "Updates Downloading", "Downloading new updates, please wait", ToolTipIcon.Info);
  30.                         if (!updManager.PrepareUpdates())
  31.                         {
  32.                                 //MessageBox.Show("Updates preperation failed. Check the feed and try again.");
  33.                                 AppLog.LogEvent("NAppUpdate update preperation failed. Possibly feed down.");
  34.                         }
  35.                         else
  36.                         {
  37.                                 AppLog.LogEvent("NAppUpdate: Updates ready to install.");
  38.                                 AppLog.LogEvent("NAppUpdate: Attempting to install updates");
  39.                                 if (!updManager.ApplyUpdates())
  40.                                 {
  41.                                         MessageBox.Show(this, "Error while trying to install software updates. Please contact support.", "Update Error");
  42.                                         AppLog.LogEvent("NAppUpdate: Error while trying to install updates.");
  43.                                 }
  44.                                 else
  45.                                 {
  46.                                         AppLog.LogEvent("NAppUpdate: Updates successfully installed");
  47.                                 }
  48.                         }
  49.                 }
  50.         }
  51.         catch (Exception ex)
  52.         {
  53.                 string exceptionLocation = "Exception in AutoUpdate()";
  54.                  
  55.                 // This indicates a feed or network error; ex will contain all the info necessary
  56.                 // to deal with that
  57.                 if (ex is NAppUpdateException)
  58.                         exceptionLocation = "NAppUpdate: Update failed";                    
  59.                          
  60.                 AppLog.LogEvent((string.Format("{0} message: {1} stack trace: \n{2}", exceptionLocation, ex.Message, ex.StackTrace)));
  61.         }
  62. }
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