[pywin32-bugs] [ pywin32-Bugs-828466 ] EnumClassesOfCategories fails if 2nd param is None

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Bugs item #828466, was opened at 2003-10-22 14:48
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Category: com
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Eugene Yakubovich (eyakubovich)
Assigned to: Nobody/Anonymous (nobody)
Summary: EnumClassesOfCategories fails if 2nd param is None

Initial Comment:
PyICatInformation.EnumClassesOfCategories fails with 
E_POINTER if the listIIdRequired parameter is None.

Although not documented in MSDN, 
ICatInformation::EnumClassesOfCategories's rgcatidReq 
parameter MUST be NULL if cRequired parameter is -1.  
Looking at PyICatInformation.cpp:82 shows that this 
parameter is always initialized to a non-NULL value:

81:   GUID iidTemp;
82:   GUID *pIDsReqd = &iidTemp;


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