DLL written in C#

[eandersen]

Is it possible to write DLL's in C# to be used in Custom Actions?

[Cosmin]

Hi,

I'm afraid that Windows Installer supports only C++ DLLs for attached and installed custom actions. Therefore, C# DLLs are not supported. However, in Advanced Installer you can try using a .NET Installer Class Action.

Regards,
Cosmin

[kkim]

Hi,

I'm afraid that Windows Installer supports only C++ DLLs for attached and installed custom actions. Therefore, C# DLLs are not supported. However, in Advanced Installer you can try using a .NET Installer Class Action.

Regards,
Cosmin

This is unfortunate indeed! I just had our programmer write a C# DLL!!!

Is it possible to do a work around such as calling an application and getting a TRUE/FALSE output instead?

[eandersen]

I need to get some properties returned from the DLL code.
If I made an EXE file written in C#, will that work?

[Cosmin]

Hi,

If I made an EXE file written in C#, will that work?

Unfortunately EXE custom actions run in a different process, therefore they don't have access to installer properties. However, you can pass properties to the EXE by using its command line.

Regards,
Cosmin

[marcelo]

Hi,

You could make ur C# dll "Com Visible" then register it at install time (using Regasm) and use it as a com object during the install..

Cosmin, is there any issue on doing so?

Hope it helps,
Marcelo

[eandersen]

Hi,

Thanks for the suggestion. I will try it some time in the near future. At the moment I have settled for a VB Script that can handle most of what I wanted to do in the a DLL.

Regards
Erling

[Cosmin]

Hi,

You could make ur C# dll "Com Visible" then register it at install time (using Regasm) and use it as a com object during the install..
Cosmin, is there any issue on doing so?

Unfortunately this custom action would need to run as deferred, so it cannot set or access installer properties. Only Immediate custom actions can set or access properties.

Regards,
Cosmin