Inplace activation failed for office ActiveX control

Zeng, Jeff 1 Reputation point
2021-11-02T07:51:44.127+00:00

We are using DSO Framer(source code provided by Microsoft) to display/edit excel file in our product. The excel ActiveX control is embedded in a control in a windows form. After applying the latest windows update(KB5005698, KB4598243), an excel file can't be opened embedded in the control. The file is opened in an individual window. I debugged the code, the following code
hr = m_pole->DoVerb(OLEIVERB_INPLACEACTIVATE, NULL, (IOleClientSite*)&m_xOleClientSite, (UINT)-1, m_hwnd, &rcView);
return the error 262528.
Can anyone help on this issue?

Microsoft 365 and Office | Development | Office JavaScript API
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  1. Xiaopo Yang - MSFT 12,731 Reputation points Microsoft External Staff
    2021-11-03T02:02:43.173+00:00

    According to what you said, you may send feedback to Microsoft with the Feedback Hub app about the update(KB5005698, KB4598243) issue. Or you can contact office team for this behavior.


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