Binding listview to value of custom control

Form Binding
 
<z:QueryFilterManager Grid.Row="0" Grid.Column="0" HorizontalAlignment="Left" Name="QueryFilterManager"></z:QueryFilterManager>
            <z:SortableListView Grid.Row="1" Grid.Column="0" Height="Auto" Name="clientInterfacesListView" ItemsSource="{Binding QueryFilterManager.CurrentFilter.Results}" SelectionChanged="OnInterfaceSelectionChanged">
                <ListView.View>
                    <GridView>
                        <GridViewColumn Header="Client" z:SortableListView.SortCriteria="Client.DisplayName, Name" DisplayMemberBinding="{Binding Path=Client.DisplayName}" Width="Auto"/>
                        <GridViewColumn Header="Name" DisplayMemberBinding="{Binding Name}" Width="200"/>
                        <GridViewColumn Header="LastUpdateDate" DisplayMemberBinding="{Binding LastUpdateDate}"/>
                        <GridViewColumn Header="LastUpdateUser" DisplayMemberBinding="{Binding Path=LastUpdateUserID}"/>
                        <GridViewColumn Header="LastXMLUpdateDate" DisplayMemberBinding="{Binding LastXMLUpdateDate}"/>
                        <GridViewColumn Header="LastXMLUpdateUser" DisplayMemberBinding="{Binding Path=LastXMLUpdateUserID}"/>
                        <GridViewColumn Header="CreationDate" DisplayMemberBinding="{Binding CreationDate}"/>
                        <GridViewColumn Header="CreationUser" DisplayMemberBinding="{Binding Path=CreationUserID}"/>
                    </GridView>
                </ListView.View>
            </z:SortableListView>
 
 
QueryFilter Class
 
public class QueryFilter
    {
        public string FetchAPI { get { return _fetchAPI; } set { _fetchAPI = value; } }
        protected string _fetchAPI;
 
        public string FetchMethod { get { return _fetchMethod; } set { _fetchMethod = value; } }
        protected string _fetchMethod;
 
        public string CriteriaToAppend { get { return _criteriaToAppend; } set { _criteriaToAppend = value; } }
        protected string _criteriaToAppend;
 
        public int ResultCount { get { return _resultCount; } set { _resultCount = value; } }
        protected int _resultCount;
 
        public IList Results { get { return _results; } set { _results = value; } }
        protected IList _results;
 
        public string FilterName { get { return _filterName; } set { _filterName = value; } }
        protected string _filterName;
 
        public bool CountOnly { get { return _countOnly; } set { _countOnly = value; } }
        protected bool _countOnly;
 
        public object[] Arguments { get { return _arguments; } set { _arguments = value; } }
        protected object[] _arguments;       
    }
 
 
QueryFilterManager Class
 
public partial class QueryFilterManager : UserControl
    {
        protected const string linkNameBase = "filterLink";
 
        public static readonly DependencyProperty QueryFiltersProperty = DependencyProperty.Register("QueryFilters", typeof(IList<QueryFilter>), typeof(QueryFilterManager));
        public IList<QueryFilter> QueryFilters { get { return GetValue(QueryFiltersProperty) as IList<QueryFilter>; } set { SetValue(QueryFiltersProperty, value); } }
 
        public static readonly DependencyProperty CurrentFilterProperty = DependencyProperty.Register("CurrentFilter", typeof(QueryFilter), typeof(QueryFilterManager));
        public QueryFilter CurrentFilter { get { return GetValue(CurrentFilterProperty) as QueryFilter; } set { SetValue(CurrentFilterProperty, value); } }
 
        public int FilterIndex { get { return _filterIndex; } set { _filterIndex = value; } }
        protected int _filterIndex;
 
        public virtual IApplicationContext ApplicationContext { get { return _applicationContext; } set { _applicationContext = value; } }
        protected IApplicationContext _applicationContext;
 
        public virtual ICoreAPI CoreAPI { get { return ApplicationContext["CoreAPI"] as ICoreAPI; } }
 
        public QueryFilterManager()
        {
            InitializeComponent();
        }
}