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:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:icon="http://metro.mahapps.com/winfx/xaml/iconpacks"
    xmlns:lex="http://wpflocalizeextension.codeplex.com"
    xmlns:local="clr-namespace:TeamAAS_VP.Controls"
    xmlns:mah="http://metro.mahapps.com/winfx/xaml/controls"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    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"
            BorderThickness="0,0,0,1"
            FontSize="{Binding FontSize, RelativeSource={RelativeSource AncestorType={x:Type UserControl}}}"
            Style="{StaticResource MahApps.Styles.NumericUpDown.DataGrid.Editing}" />
        <Popup
            x:Name="SliderPopup"
            Width="150"
            Height="{Binding ElementName=MotorAmplitudeNumeric1, Path=Height}"
            AllowsTransparency="True"
            Placement="Bottom"
            PlacementTarget="{Binding ElementName=MotorAmplitudeNumeric1}"
            StaysOpen="False">
            <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>