New answers tagged iframe
This is not a problem of SharePoint or the AppModel this needs to be Addressed with signalR. A possible solution is this: http://stackoverflow.com/questions/10089386/signalr-push-notifications-to-all-browser-instances-of-single-authenticated-user You create a subscription Group with the Username, this will dismiss the different user problem. Leaves the ...
?Dlg=1 is wrong. You must use ?isDlg=1
Your #1 should work but you have to use the correct querystring. Instead of ?Dlg=1 it should be ?isDlg=1.
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