Release Issue

[Nasko]

Hi,

 

I've developped an application that uses ExcelDNA. It's been operating on several machines successfully for quite some time. However, today I ran into an issue when trying to install it on a user's computer.  ExcelDNA wasn't able to load  even though all the relevant libraries were in place. I'm unable to determine any significant difference between this machine and the others it has been operating on.

 

any help would be appreciated,

 

Thanks,

 

Nasko

 

 

 

[Govert van Drimmelen]

Hi Nasko,

Macro security settings perhaps? 

That's the only thing that can stop it from loading completely silently. Else you should get some error message.

Start with an Excel without the add-in installed or running.

Now File -> Open and select your add-in.

Do you see the 'Registering.... ' message at the bottom in the status bar?

If it gets to 'Registering...' you can add some MessageBox or xlcAlert call in the AutoOpen to see that it gets there.

After that if could only be that some parts of your add-in don't load, like a Ribbon, which may be disabled.

I hope that gives you some ideas.

Regards,

Govert

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[Mondrian]

I have observed that Excel can be installed with an option where the VBA run time environment is not installed immediately, but will be automatically installed first time you try to run a macro or the VBA editor. If that is the case, Excel-DNA won't start, and you don't get any helpful error message. You can try if this might be the cause of your problem simply by pressing Alt-F11 (run the VBA editor). You will see if Excel then post-installs the missing packages. Afterwards, Exel-DNA should work as intended.