如何在旧版Devexpress LookupEdit中将“ IncrementalFiltering”设置为false？

Question

有一个扩展的DevExpress令牌LookupEdit，其类继承了“ LookUpEdit”。代码后面是：

public partial class BaseItemSelector : UserControl
{
    public BaseItemSelector()
    {
        InitializeComponent();
    }
}
public class LookUpEditEx1 : LookUpEdit
{
    protected override VisualClientOwner CreateVisualClient() { return new GridControlVisualClientOwnerEx1(this); }
}

public class GridControlVisualClientOwnerEx1 : GridControlVisualClientOwner
{
    public GridControlVisualClientOwnerEx1(PopupBaseEdit editor) : base(editor) { }
    protected override void InitializeSearchPanel() { }
}

以及在XAML中：

<local:LookUpEditEx1 
            IsTextEditable="True" 
            HorizontalAlignment="Left" 
            VerticalAlignment="Top" 
            Width="432" 
            Height="49" 
            IncrementalFiltering="False" 
            ValueMember="CenterCode" 
            ItemsSource="{Binding Data, Source={StaticResource EntitySimpleDataSource}}" 
            DisplayMember="NameCenter"
            x:Name="Token"
            AutoComplete="True"
            PopupHeight="400"
            PopupWidth="400"
            ValidateOnTextInput="False"
            ValidateOnEnterKeyPressed="True"
            IsPopupAutoWidth="True"
            ImmediatePopup="True"
            FilterCondition="Contains"
            FindMode="FindClick" 
            CharacterCasing="Normal">
            <dxg:LookUpEdit.PopupContentTemplate>
                <ControlTemplate>
                    <dxg:GridControl x:Name="PART_GridControl">
                        <dxg:GridControl.View>
                            <dxg:TableView ShowCheckBoxSelectorColumn="True" 
                                           ShowGroupPanel="False"
                                           ShowSearchPanelMode="Never"
                                           SearchString="{Binding Path=(dxe:BaseEdit.OwnerEdit).AutoSearchText, RelativeSource={RelativeSource Self}}"/>
                        </dxg:GridControl.View>
                    </dxg:GridControl>
                </ControlTemplate>
            </dxg:LookUpEdit.PopupContentTemplate>
            <dxg:LookUpEdit.StyleSettings>
                <dxg:TokenLookUpEditStyleSettings SelectionMode="Multiple" NewTokenPosition="Far" AllowEditTokens="False" ShowTokenButtons="True"/>
            </dxg:LookUpEdit.StyleSettings>
        </local:LookUpEditEx1>

我将IncrementalFiltering设置为false，但是当我尝试搜索网格的数据时，它将仅显示搜索结果。如何更改这些代码以显示所有行并仅关注搜索结果？

此自定义标记LookupEdit显示一个复选框列，用于选择gridview的多行。