{HKEY_LOCAL_MACHINE\Software\Classes\.pdf\PersistentHandler}

{1AA9BF05-9A97-48c1-BA28-D9DCE795E93C}


Software\Classes\CLSID\" + persistentHandlerClass + @"\PersistentAddinsRegistered\{89BCB740-6119-101A-BCB7-00DD010655AF}
{6C337B26-3E38-4F98-813B-FBA18BAB64F5}


@"Software\Classes\CLSID\" + filterPersistClass + @"\InprocServer32"





IFilter GUID
{89bcb740-6119-101a-bcb7-00dd010655af}




%systemroot%\system32\Windows.Data.Pdf.dll