I know this sounds dumb but still have to ask :

This is used to retrieve the current portal alias : PortalController.GetCurrentPortalSettings.PortalAlias.HTTPAlias
Then what is used to retrieve the Host portal alias?

For example, when using a sub-portal name http://localhost/test , I must replace its picture link from http://localhost/test/Portals/1/picture.gif to http://localhost/Portals/1/picture.gif in order to display that picture properly,  since the link is controlled by the code above.

Many thanks for who can help me out!

What I want to do is making the Foto Vision module to work in subportals. You can get the module here

When placing this module on a host portal (for example http://localhost/mysite), the pictures are displayed correctly because their links are : http://localhost/mysite/Portals/0/pictures.jpg

But when placing it on a subportal, such as  http://localhost/mysite/test, the pictures links are http://localhost/mysite/test/Portals/1/pictures.jpg, so they can't be displayed.

After digging in the code, I think the problem is the Portal Controller method which this module use to retrieve the current Portal alias. Maybe I'm wrong because I DON'T know how to code. I'm just a regular user anyway

If you have time, please have a look. I desperately need this module for my project.

Thankyou very much!

Ok, I'll take a look when I get the chance.  You might also try to contact the developer of that module.

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