void CreateNewWorkspace()
{
WorkspaceViewModel wvm = new WorkspaceViewModel(_bridge, _currentUser);
// wvm.LoggedOut += PerformMassLogout; //added in OnWorkspacesChanged
this.Workspaces.Add(wvm);
this.SetActiveWorkspace(wvm);
}
void SetActiveWorkspace(WorkspaceViewModel wvm)
{
ICollectionView collectionView = CollectionViewSource.GetDefaultView(this.Workspaces);
if (collectionView != null)
collectionView.MoveCurrentTo(wvm);
}