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ViewLink & IFrame Detach Issue
Posted by: Blade MF (
Date: Thursday, 26-Nov-2009, 09:31:39


I am developing a bunch (a lot) of binary behaviors with C#. The problem is, that in some occasions IElementBehavior.Detach is not being called.

For example, if you have a simple html page with a single IFRAME in it, then, in the document in the IFRAME you put a binary behavior element, which creates a ViewLink. If you create another binary behavior element in the viewlink document, and the refresh the IFRAME, the Detach method of the inner element is not being called.

|--- HTML Page
|----- Element1
|------- ViewLink document
|--------- Element2

I have a very simple code that demonstrates it.

I played arround with it for a few days and found out that if you force a garbage collection in the Element1.Detach, once in a while, Element2.Detach is called.

This means that there is some .NET object holding a reference that it should't hold.

The fun part is that this does not happen when NOT in a IFRAME - everything gets detached in time.

Does anyone have any idea?

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