private void btnAssignSelectedSecurityGroups_Click(object sender, RoutedEventArgs e)
{//set the selected items for the _viewModel
_viewModel.SelectedAvailableSecurityGroupList = lbxAvailableSecurityGroups.SelectedItems;
//do the required MenuSecurity CRUD
_viewModel.AssignSelectedSecurityGroupsCommand();
//need to remove from list and add to the other list...
for (int j = lbxAvailableSecurityGroups.SelectedItems.Count - 1; j >= 0; j--)
{//move item from one list to the other...
SecurityGroup item = (SecurityGroup)lbxAvailableSecurityGroups.SelectedItems[j];
_viewModel.AvailableSecurityGroupList.Remove((SecurityGroup)item);
_viewModel.AssignedSecurityGroupList.Add((SecurityGroup)item);
}
lbxAvailableSecurityGroups.SelectedItems.Clear();
}