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  1. 15th March 2011, 23:40 #6
    schnitzel
    schnitzel is offline Advanced user
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    Default Re: COM Objects on Windows 7 with 4.7.2

    How exactly did you register this COM object on the new machine? Did you use regsvr32?

    btw: looking at the info on DYMO website regarding COM class factory...

    http://developers.dymo.com/2010/06/2...class-factory/

    they also have .NET samples - I suggest you try that first as I believe your troubles are not related to Qt at all but I have to agree that it is weird if you get it working by taking it out of the constructor.
    Last edited by schnitzel; 16th March 2011 at 00:00.
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