Persistent Handlers Registered for a File Extension

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The following is an example of the registry entry for a persistent handler registered for a file name extension.

\HKEY_CLASSES_ROOT\
 
    .sam
        = REG_SZ SampleFile
 
    SampleFile
        = REG_SZ Class for Sample Files
        CLSID
           = REG_SZ {40A45370-0386-11D0-AE19-00AA004B9986}
    CLSID
        {40A45370-0386-11D0-AE19-00AA004B9986}
           = REG_SZ Sample Files
           InprocServer32
              = REG_SZ sample.dll
           PersistentHandler
               = REG_SZ {A6317C60-0386-11D0-AE19-00AA004B9986}
...

The remaining content is as in the Persistent Handlers Registered for a Class example.