Hello,

I have the below snippet which works fine until IsEditable="True" is added to the combo box control. Once this property is enabled, select one of the dropdown item, the text disappears. It doesn't show up as selected dropdown item. Please assist.

   <ControlTemplate x:Key="TestComboBoxToggleButton" TargetType="ToggleButton">
            <Grid>
                <Grid.ColumnDefinitions>
                    <ColumnDefinition />
                    <ColumnDefinition Width="20" />
                </Grid.ColumnDefinitions>
             
                <Border x:Name="Border" Grid.ColumnSpan="2" CornerRadius="0"
                    BorderBrush="{StaticResource CommonColor}" BorderThickness="0" >
                  
                </Border>
                <Border Grid.Column="0" CornerRadius="0" Margin="1"
                    BorderBrush="#CCC" BorderThickness="0,0,0,0">
                </Border>
                <Path x:Name="Arrow" Grid.Column="1" Fill="Black"
                        HorizontalAlignment="Center" VerticalAlignment="Center" Data="M 0 0 L 4 4 L 8 0 Z"/>
            </Grid>
        </ControlTemplate>

        <ControlTemplate x:Key="ComboBoxTextBox" TargetType="TextBox">
            <Border x:Name="PART_ContentHost" Focusable="False" Background="{TemplateBinding Background}" />
        </ControlTemplate>

        <Style x:Key="{x:Type ComboBox}" TargetType="ComboBox">
            
            <Setter Property="ScrollViewer.CanContentScroll" Value="true"/>
            <Setter Property="MinWidth" Value="120"/>
            <Setter Property="MinHeight" Value="20"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="ComboBox">
                        <Grid>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition />
                                <ColumnDefinition Width="20" />
                            </Grid.ColumnDefinitions>
                           
                            <Border  x:Name="Bd" Grid.ColumnSpan="2" CornerRadius="0"                                    
                                     BorderThickness="1" IsHitTestVisible="false" BorderBrush="{StaticResource CommonColor}">
                               
                                <ContentPresenter Name="ContentSite" IsHitTestVisible="False" 
                                    Content="{TemplateBinding SelectionBoxItem}" 
                                    ContentTemplate="{TemplateBinding SelectionBoxItemTemplate}"
                                    ContentTemplateSelector="{TemplateBinding ItemTemplateSelector}" Margin="3,3,23,3"
                                    VerticalAlignment="Center" HorizontalAlignment="Left" />
                            </Border>
                            <Path x:Name="ArrowIsDisabled" Grid.Column="1" Fill="Black"
                        HorizontalAlignment="Center" VerticalAlignment="Center" Data="M 0 0 L 4 4 L 8 0 Z"/>
                            <ToggleButton Name="ToggleButton" Template="{StaticResource TestComboBoxToggleButton}" 
                            Grid.Column="2" Focusable="false" 
                            IsChecked="{Binding Path=IsDropDownOpen,Mode=TwoWay,RelativeSource={RelativeSource TemplatedParent}}"
                            ClickMode="Press">
                            </ToggleButton>
                            <TextBox x:Name="PART_EditableTextBox" Style="{x:Null}" 
                                HorizontalAlignment="Left" 
                                VerticalAlignment="Center" Margin="3,3,23,3" Focusable="True" Background="Transparent"
                                Visibility="Hidden" IsReadOnly="{TemplateBinding IsReadOnly}"/>
                            <Popup Name="Popup" Placement="Bottom" IsOpen="{TemplateBinding IsDropDownOpen}"
                                    AllowsTransparency="True" Focusable="False" PopupAnimation="Slide">
                                <Grid Name="DropDown" SnapsToDevicePixels="True"                
                                MinWidth="{TemplateBinding ActualWidth}" MaxHeight="{TemplateBinding MaxDropDownHeight}">
                                    <Border x:Name="DropDownBorder" Background="Transparent" BorderBrush="{StaticResource CommonColor}"
                                            BorderThickness="1" />
                                    <ScrollViewer Margin="4,6,4,6" SnapsToDevicePixels="True">
                                        <StackPanel IsItemsHost="True" KeyboardNavigation.DirectionalNavigation="Contained" />
                                    </ScrollViewer>
                                </Grid>
                            </Popup>
                        </Grid>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>