Display_D_HP/TeamAAS-VM/Controls/myNumericUpDowm.xaml

<UserControl x:Class="TeamAAS_VP.Controls.myNumericUpDowm"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:local="clr-namespace:TeamAAS_VP.Controls"
             xmlns:icon="http://metro.mahapps.com/winfx/xaml/iconpacks"
             xmlns:mah="http://metro.mahapps.com/winfx/xaml/controls"
             xmlns:lex="http://wpflocalizeextension.codeplex.com"
             lex:LocalizeDictionary.DesignCulture="zh-CN"
             lex:ResxLocalizationProvider.DefaultAssembly="TeamAAS-VP"
             lex:ResxLocalizationProvider.DefaultDictionary="Lang"
             FontFamily="{DynamicResource DefaultFont}">
    <UserControl.Triggers>
        <EventTrigger RoutedEvent="GotFocus">
            <BeginStoryboard>
                <Storyboard>
                    <BooleanAnimationUsingKeyFrames Storyboard.TargetName="SliderPopup"
                                                    Storyboard.TargetProperty="IsOpen">
                        <DiscreteBooleanKeyFrame KeyTime="0"
                                                 Value="True" />
                    </BooleanAnimationUsingKeyFrames>
                </Storyboard>
            </BeginStoryboard>
        </EventTrigger>
        <EventTrigger RoutedEvent="LostFocus">
            <BeginStoryboard>
                <Storyboard>
                    <BooleanAnimationUsingKeyFrames Storyboard.TargetName="SliderPopup"
                                                    Storyboard.TargetProperty="IsOpen">
                        <DiscreteBooleanKeyFrame KeyTime="0"
                                                 Value="False" />
                    </BooleanAnimationUsingKeyFrames>
                </Storyboard>
            </BeginStoryboard>
        </EventTrigger>
    </UserControl.Triggers>
    <!--<Viewbox Stretch="Fill">
        
    </Viewbox>-->
    <Grid>
        <mah:NumericUpDown x:Name="MotorAmplitudeNumeric1"
                           Style="{StaticResource MahApps.Styles.NumericUpDown.DataGrid.Editing}"
                           BorderThickness="0,0,0,1"
                           FontSize="{Binding FontSize, RelativeSource={RelativeSource AncestorType={x:Type UserControl}}}" />
        <Popup x:Name="SliderPopup"
               Height="{Binding ElementName=MotorAmplitudeNumeric1, Path=Height}"
               PlacementTarget="{Binding ElementName=MotorAmplitudeNumeric1}"
               Placement="Bottom"
               AllowsTransparency="True"
               StaysOpen="False"
               Width="150">
            <Grid Background="Transparent">
                <Border Background="#575757"
                        CornerRadius="0,0,3,3">
                    <Slider x:Name="slider2"
                            Margin="5,2,5,2"
                            Foreground="#2196f3"
                            IsSnapToTickEnabled="True"
                            Maximum="{Binding ElementName=MotorAmplitudeNumeric1, Path=Maximum}"
                            Minimum="{Binding ElementName=MotorAmplitudeNumeric1, Path=Minimum}"
                            Value="{Binding ElementName=MotorAmplitudeNumeric1,Path=Value,Mode=TwoWay}" />
                </Border>
            </Grid>
        </Popup>
    </Grid>
</UserControl>