Edit C:\Windows\SystemResources\Windows.UI.Search\XAMLTemplates\Shared.HeroStyles_8_1

Edit C:\Windows\SystemResources\Windows.UI.Search\XAMLTemplates\Shared.HeroStyles_8_1_RTM-64087e61.xaml

<Grid.Resources>
                                                        <tm:SwitchCaseConverter x:Key="Local.ArrowConverter"
                                                                                Default="&#xE26B;">
                                                            <tm:SwitchCase Case="1"
                                                                           Value="&#xE26C;"/>
                                                        </tm:SwitchCaseConverter>
                                                    </Grid.Resources>

<Grid.ColumnDefinitions>
                                                        
                                                        <ColumnDefinition/>
                                                        
                                                        <ColumnDefinition Width="Auto"/>
                                                    </Grid.ColumnDefinitions>

<TextBlock Grid.Column="0"
                                                               Text="{Binding Extended:title.System_Search_Contents}"
                                                               Style="{CustomResource Resources.Shared.HeroPrimaryTextStyle}"
                                                               TextTrimming="CharacterEllipsis"
                                                               TextWrapping="NoWrap"
                                                               Margin="0, 0, 7, 0"
                                                               Opacity="0.6"/>

<TextBlock Grid.Column="1"
                                                               Text="{Binding FlowDirection, RelativeSource={RelativeSource TemplatedParent}, Converter={StaticResource Local.ArrowConverter}}"
                                                               Style="{CustomResource Resources.Shared.HeroPrimaryTextStyle}"
                                                               FontFamily="Segoe UI Symbol"
                                                               Opacity="0.6"/>
                                                </Grid>
                                            </Button>
                                        </ControlTemplate>

<tm:SwitchCaseConverter x:Key="Local.HeaderPickerConverter"
                                                                Default="{StaticResource Local.HeaderWithTitleAndActivation}">
                                            <tm:SwitchCase Case="{x:Null}"
                                                           Value="{StaticResource Local.HeaderWithTitle}"/>
                                        </tm:SwitchCaseConverter>
                                    </Grid.Resources>

<tm:SwitchCaseConverter x:Key="Local.TitlePickerConverter"
                                                    Default="{StaticResource Local.ModuleWithHeader}">
                                <tm:SwitchCase Case="{x:Null}"
                                               Value="{StaticResource Local.ModuleWithoutHeader}"/>
                            </tm:SwitchCaseConverter>

</Grid.Resources>

<Grid.RowDefinitions>
                            
                            <RowDefinition Height="Auto"/>
                            <RowDefinition/>
                        </Grid.RowDefinitions>

<ContentControl Template="{Binding Extended:title.System_Search_Contents, Converter={StaticResource Local.TitlePickerConverter}}"
                                        IsTabStop="False"/>

<ContentPresenter Grid.Row="1"/>
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

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