Is it possible to add/change a ViewContainerUIElement during runtime?

Hi all,
i want to add/change the content of a ViewContainerUIElement (VCUI) during runtime, but it doesn't work as expected (or hoped;). What i got working so far for an <b>already exising</b> VCUI is:
1. Find the IWDViewContainerInfo for the VCUI
2. If no default view usage exists, create an embedded view usage and set is as default.
3. Set the component usage to the IWDComponentUsageInfo requested.
4. Set the view to the IWDViewUsageInfo of the interface view, which should be the content of the VCUI.
This doesn't work, if it's done after the wdDoInit()s of the controller hierarchy has been processed. The component, which is represented by the usage, is deleted and recreated, but the visual representation doesn't get updated (e.g. no changes on the display) if it's done in an action handler for example. Why? If i change the component usage (cloned component usage) nothing happens too.
Even more problems arise, if i try to add a new VCUI. The steps are pretty the same as before, what is done additionally (and prior the steps above) is:
1. Creating a IWDViewContainerInfo from the IWDViewInfo of the "parent" view.
2. Creating a IWDViewContainerAssignmentInfo from the view usage of the "parent" view
3. Setting the created IWDViewContainerInfo as view container in the assignment.
4. Create the VCUI, set the view container name to the name of the created IWDViewContainerInfo and add the VCUI to an arbitrary container in the parent view.
But this doesn't work, i'm getting:
java.lang.NullPointerException
at com.sap.tc.webdynpro.clientimpl.html.uielib.standard.uradapter.ViewContainerUIElementAdapter.getContent(ViewContainerUIElementAdapter.java:98)
What is wrong? What am i missing?
Thanks in advance.
Stefan

Hi,
I had the same problem with
"java.lang.NullPointerException at com.sap.tc.webdynpro.clientimpl.html.uielib.standard.uradapter.ViewContainerUIElementAdapter.getContent(ViewContainerUIElementAdapter.java:98)"
when I included ViewUsages dynamically in an action handler (outside wdDoInit()).
The code below fixed that problem.
This code creates a new OutboundPlug for the embedding view with the embedded view as target and fires the plug.
<i>// Create OutboundPlug
IWDOutboundPlugInfo outboundPlug = embedderViewInfo.createOutboundPlug();
//Create navigation link
rootViewUsage.createNavigationTarget(outboundPlug.getName(), interfaceViewUsage, "Default");
// fire navigation link
wdThis.wdGetAPI().firePlug(outboundPlug, Collections.EMPTY_MAP);
</i>
I hope I could help you. Probably you don't need the information anymore, but perhaps anybody else has the same problem.
Regards, Alex

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