VSTO for Word (C# Programming VS2008)

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.NET3.5

C#

Error 1

The type 'Microsoft.Office.Tools.AddIn' exists in both 'c:\Program Files\Reference Assemblies\Microsoft\VSTO\v9.0\Microsoft.Office.Tools.Common.v9.0.dll' and 'c:\Program Files\Reference Assemblies\Microsoft\VSTO\v8.0\Microsoft.Office.Tools.Common.dll'

Error 2

The type 'Microsoft.Office.Tools.SmartTagCollection' exists in both 'c:\Program Files\Reference Assemblies\Microsoft\VSTO\v9.0\Microsoft.Office.Tools.Common.v9.0.dll' and 'c:\Program Files\Reference Assemblies\Microsoft\VSTO\v8.0\Microsoft.Office.Tools.Common.dll'

What do i have to do with these error?

I'm developing in Visual Studio 2008 (C#)

Thanks in advance. :)

-dabeeyow

Posted 16-May-12 19:59pm

dabeeyow

Updated 16-May-12 20:05pm

v3

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**AmitGajjar** · Answer 1 · 2012-05-16T20:06:00

Solution 1

Hi,

you have multiple version installed in your system(Version 8, 9). remove old one and try again.

thanks
-Amit.

Posted 16-May-12 20:06pm

AmitGajjar

Updated 16-May-12 20:07pm

v2

Comments

dabeeyow 17-May-12 2:12am

Actually I have VS2005 and VS2008. I uninstalled VS2005 but nothing's happen. I also tried to remove VSTO3.0 same errors.

Thanks!

-dabeeyow

Jim Jos · Answer 2 · 2012-05-16T20:22:00

Solution 3

Hi,

Have you checked whether you have not accidently referenced both dlls in the references section?

Also do one clean solution and try

rgds

Posted 16-May-12 20:22pm

Jim Jos

Comments

dabeeyow 17-May-12 2:27am

No multiple ddls referenced, just follow what you've said, I Clean Solution but same error appears.