MFC ACTIVX control can't used in vb.net

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PLATFORM WIN7 64bit
VS2008

I Use Vc++ create a empty project of MFC ACTIVEX control and it has been reg correctly.
I can choose the activeX from com+ list and drag it on the vb.net form.But when i run
the project without any custom code, vb.net throw a such exception
(HRESULT:0x80040154 (REGDB_E_CLASSNOTREG)).
I just want to know where is the problem.

Posted 22-Aug-12 23:37pm

ladyflys

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[no name] 23-Aug-12 10:55am

"PLATFORM WIN7 64bit" Is the ocx 64 bit? And is your application 32 bit?

3 solutions

Solution 1

It seems your control is not properly registered, try to reinstall it, register it and try it again.

In order to register it a small google search will give you plenty of results, the first one I found is: http://www.clickteam.co.uk/resources/GTM/GTM7.htm[^]

Good luck.

Posted 22-Aug-12 23:48pm

Joan M

Solution 2

I have uninstall and reinstall the ocx so many times.
I use the tool "TSN32.exe" to test the OCX file and it does work.
It is very interesting,the ActiveX can be used in VBA under MS Office such as Word and Excel,but it still doesn't work in vb.net.

Posted 23-Aug-12 0:28am

ladyflys

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ladyflys · Accepted Answer · 2012-08-23T21:02:00

Solution 3

Ok,after a long night, i find the solution.
The default debug or release platform in vb.net is x64(my Pc is WIN7 64bit),so just change the setting of debug or release to X86,it does work.
So exclude the possibility of reg,perhaps modify the project config file will do work.

Posted 23-Aug-12 21:02pm

ladyflys