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Dynamics 365 Community / Forums / Microsoft Dynamics CRM (Archived) / UII Context: What exac...
Microsoft Dynamics CRM (Archived)

UII Context: What exactly is ForceChange field?

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Posted on by Community Member Microsoft Employee

We have noticed that there is a GUID, named "ForceChange" present on the UII context XML.

When we override the WpfHostedControl NotifyContextChange we saw that Unified Service Desk framework calls it several times, always with a different "ForceChange" value even if all others remain exactly the same.

Could anyone please explain the purpose of this field?

Example. When a control, with Session scope, is first loaded (i.e. a new USD session was created), we noticed the framework called 3x the NotifyContextChange method, and the only change in the context was the "ForceChange" GUID.

After the above, the control's Loaded event is invoked.

Thank you.

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  • Community Member Profile Picture
    Community Member Microsoft Employee on at
    RE: UII Context: What exactly is ForceChange field?

    Hi Srikanth,

    The motivation is to notify all solution components (bounded to an USD Session) that some data has been added/updated in the UII context.

    In broad terms, one part of our solution has a component that performs searches in Dynamics, based on some inbound data coming from outside CRM. Part of this process is creating an USD Session. Once these searches are performed, and some consolidation steps are done, we apply changes to the UII Context and call NotifyContextChange so that other components (ours and, possibly, components implemented by others) can react to the new changes. We could perhaps do it in another way, but we used this hoping only controls running in the scope of the associated USD Session would get to handle this event.

    It seemed natural to use this mechanism. The online documentation does not inform of the inner workings of this mechanism, besides stating that the Context "Works in a manner simuliar to the ASP.Net session" (spelling error included ;))

    We were not able to find the information about the behavior of NotifyContextChange. Could you kindly point us in the direction of that info?

    Thank you for your answer!

    -- jars

  • Suggested answer
    ansrikanth Profile Picture
    ansrikanth 3,115 on at
    RE: UII Context: What exactly is ForceChange field?

    Hi

    I'm not pretty sure what is this ForceChange, but it is said that - the NotifyContextChange was supposed to fire multiple times which is based on No Of Controls loaded, No of Sessions loaded and some more factors. It is recommended to use this Overriden method carefully as it will fire multiple times.

    May I know the reason behind?

    Regards

    -Srikanth

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