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Asked: May 11, 20262026-05-11T04:06:01+00:00 2026-05-11T04:06:01+00:00

I have the following piece of code in Visual C++ 2005 : : class

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I have the following piece of code in Visual C++ 2005 : :

class _Application:public COleDispatchDriver {....};  _Application excelApp;  excelApp.CreateDispatch((LPCTSTR)_T("Excel.Application"))) 

But the call to excelApp.CreateDispatch((LPCTSTR)_T("Excel.Application"))) returns a zero value indicating a failure .

Could you please tell me what could be the possible reason ?

PS : I copied the above piece of code from an another solution ( Visual C++ 2005) where this works perfectly fine on the same machine .

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1 Answer

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  1. 2026-05-11T04:06:01+00:00Added an answer on May 11, 2026 at 4:06 am

    I got the answer people :

    I just had to call CoInitialize(0) before the above piece of code .

    and then CoUninitialize() after all are done .

    Cool it was ….

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