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Sorry this is an English speaking forum.  Google translate:

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Does anyone know how application recovery should be done? I want the application to revert to the state it was in before the power outage when the computer is abruptly shut down and then powered back on

I usually use OpenG Variant Configuration for getting and setting control values.  It has a Write Panel to INI, and Read Panel from INI.  This allows you to write all control values to a file, and then read the file back and set control values.  Depending on your application you may need to do more work, like setting listbox items, or other properties that aren't values.  Maybe periodically you could write this file in case a power outage happens.  I use a UPS to keep my tester powered long enough to stop any test, or close any log.

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