PunkHPX8/Framework/UICore/Control/NumbericUpDown.xaml

<UserControl x:Class="MECF.Framework.UI.Core.Control.NumbericUpDown"
             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:MECF.Framework.UI.Core.Control"
             mc:Ignorable="d" x:Name="self"
             d:DesignHeight="35" d:DesignWidth="200">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="*"></RowDefinition>
            <RowDefinition Height="*"></RowDefinition>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*"></ColumnDefinition>
            <ColumnDefinition Width="20"></ColumnDefinition>
        </Grid.ColumnDefinitions>
        <TextBox Name="txtInput" VerticalContentAlignment="Center" Grid.Row="0" Grid.RowSpan="2" Text="{Binding ElementName=self,Path=Value,StringFormat={}{0:F2}}" 
                 PreviewTextInput="OnPreviewTextInput" InputMethod.IsInputMethodEnabled="False" TextChanged="TextBox_TextChanged"></TextBox>
        <Button Focusable="true" Content="▲" Grid.Row="0" Grid.Column="1" Click="Up_Click"></Button>
        <Button Focusable="True" Content="▼" Grid.Row="1" Grid.Column="1" Click="Down_Click"></Button>
    </Grid>
</UserControl>