<Style TargetType="TextBlock"}">
                        <Setter Property="Margin" Value="10"></Setter>
                        <Style.Triggers>
                            <DataTrigger Value="True">
                                <DataTrigger.Binding>
                                    <MultiBinding Converter="{StaticResource CustomMultiValueConverter}">
                                        <Binding Path="SelectedCategory"></Binding>
                                        <Binding Path="Text" RelativeSource="{RelativeSource Self}"></Binding>
                                    </MultiBinding>
                                </DataTrigger.Binding>
                                <Setter Property="Foreground" Value="Blue"></Setter>
                            </DataTrigger>
                        </Style.Triggers>
                    </Style>