c# - Cannot cast Outlook object to ReportItem -


i trying enumerate different mail items in outlook folder.

some of mail items reportitems ... can tell because class = 46. however, when try cast __comobject reportitem using ((outlook.reportitem)item) exception:

    autoresolvedwinner  {system.reflection.targetinvocationexception: exception has been thrown target of invocation. ---> system.runtime.interopservices.comexception: operation failed.    --- end of inner exception stack trace ---    @ system.runtimetype.invokedispmethod(string name, bindingflags invokeattr, object target, object[] args, boolean[] byrefmodifiers, int32 culture, string[] namedparameters)    @ system.runtimetype.invokemember(string name, bindingflags bindingflags, binder binder, object target, object[] providedargs, parametermodifier[] modifiers, cultureinfo culture, string[] namedparams)    @ system.dynamic.idispatchcomobject.getmembers(ienumerable`1 names)}    system.reflection.targetinvocationexception

if helps, messageclass property of object "report.ipm.note.ndr"

help appreciated.


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