Porting comtypes to win32com...

What is IconnectionPoint and EventHandling...

Is calling QueryInterface() ever absolutely necessary in COM?...

Handling CoCreateInstance return value...

Does IUnknown::QueryInterface() increment the reference count?...

E_NOINTERFACE while trying to get a class method pointer...

Log calls to QueryInterface in managed COM server...

C# - <T> object casting...

Using the RFCOMAPIlib (RightFax COM API): Unable to cast COM object...

Delphi: How to implement QueryInterface of IUnknown?...

Access violation after GetInterface/QueryInterface in Delphi...

Access violation exception from Delphi's Supports -> QueryInterface...

Can't access the COM interface...