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  1. Qt
  2. QTBUG-85467

When calling querySubObject() for something that returns an IDispatch*, it does not load the interface correctly

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    • Platform/s:
      Windows

      Description

      When calling querySubObject() for something that returns an IDispatch*, it does not load the interface correctly. This happens with the COM control which can be installed from:

      https://www.brother.co.jp/eng/dev/bpac/download/index.aspx

      The attached example shows a case of this happening plus details of a workaround for this specific instance.

        Attachments

        1. BpacTest.vbs
          0.2 kB
        2. BpacTestCSharp.zip
          1 kB
        3. qtbug85467_diag.diff
          12 kB
        4. qtbug85467_log.txt
          4 kB
        5. qtbug85467_workaround_log.txt
          7 kB
        6. qtbug85467.zip
          4 kB
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            Assignee:
            vhilshei Volker Hilsheimer
            Reporter:
            andysh Andy Shaw
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              Dates

              Created:
              Updated:
              Resolved:

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