How to run Add-in setup file in hidden mode with INNO?

Hi,
I have shared add-in for MS Word setup created with .NET.
I would like to install it as part of destribution packege created with INNO.
I use the following command:

Code:

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Filename: {app}\Setup.exe; Flags: skipifdoesntexist; WorkingDir: {tmp}; StatusMsg: "Installing MS Word Add-In"

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How to install the add-in in hidden mode (not visible for the user)?

When I run >setup.exe /? in DOS, I don't see any parameters for quiet installation (please see attachment)

Thanks.

All installations do not have silent modes... This one may not.

Is it possible to copy only dll and regiter it? (Without setup package created by Wizard).

In VB6 I used:

Code:

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Source: "c:\Documents and Settings\User\My Documents\MyAddIn.dll"; DestDir: "{app}"; OnlyBelowVersion: 0,9; Flags: restartreplace regserver

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but it doesn't work with dlls created in VS 2005

No, the .net setup package for an Office addin needs to be installed.