Query a Windows Installer (MSI) using Powershell

This is just a quick example of how we can query a Windows Installer using Powershell code:

PLEASE NOTE

When writing Powershell functions to return single values (a string, for example) please ensure you pipe any calls to ‘Execute’ or ‘Close’ to ‘Out-Null’ (please see above). ¬†This will stop the function from returning a System.Object[] (since Powershell functions return the whole output from the function, and not just the value after the ‘return’ statement)!

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