How to find out if an MSI I just installed requested a Windows reboot?

Question

I\'ve built a setup.exe in C# that runs several chained MSI\'s (with the /QUIET /NORESTART). At the end I\'d like to check if a reboot is needed in

Answer 1

The following registry location has the information:

Key HKLM\System\CurrentControlSet\Control\Session Manager, value PendingFileRenameOperations

Source: http://technet.microsoft.com/en-us/sysinternals/bb897556.aspx