c# - Exception in Custom Action during RollBack -


In custom action, I override the following functions and found an exception in the rollback case ...

"Expected values ​​in the Saved Locations dictionary are not included and may have become corrupted."

Is there any other way to rollback? 

  Safe Override Zero OnBeforeInstall (System.Collections.IDictionary savedState) {try {bool report = false; // If some verification (! Report) throw new InstallException ("License is not valid."); Base.OnBeforeInstall (savedState); } Hold (Exception pre) {Message Box. Show (ex.message, "exception", message box button. OK, message box icon. Exclamation); Base.Rollback (savedState); }} "Throw", "base.Rollback ()" in the Exception Handler.


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