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How to call OLE interface with LPWSTR [message #1778489]

Thu, 14 December 2017 19:49

Martin Steckermeier

Messages: 1
Registered: December 2017

Junior Member

I am currently dealing with an OLE interface that includes methods using LPWSTR instead of BSTR, e.g.

HRESULT GetString(
[in] LPWSTR sKey,
[in] LPWSTR sDefVal,
[out, retval] BSTR* sVal);

Is there any way to call such methods using IDispatch oder OleAutomation? As far as I could see Variant only supports "String"as type and converts it to BSTR but not LPWSTR.

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