aistudio-wpf-diagram/Extensions/AIStudio.Wpf.Mind/Controls/OpenFileTextBox.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:controls="clr-namespace:AIStudio.Wpf.Mind.Controls">
    
    <ResourceDictionary.MergedDictionaries>
        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.Mind;component/Styles/Button.xaml"/>
    </ResourceDictionary.MergedDictionaries>

    <Style x:Key="OpenFileTextBoxStyle" TargetType="{x:Type controls:OpenFileTextBox}">
        <Setter Property="BorderThickness" Value="1" />
        <Setter Property="BorderBrush" Value="Gray" />
        <Setter Property="SnapsToDevicePixels" Value="True" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type controls:OpenFileTextBox}">
                    <Grid x:Name="RootGrid">
                        <Grid.ColumnDefinitions>                       
                            <ColumnDefinition Width="*" />
                            <ColumnDefinition Width="Auto" />
                        </Grid.ColumnDefinitions>
                        <Border x:Name="Bg" 
                                SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
                                BorderBrush="{TemplateBinding BorderBrush}" 
                                BorderThickness="{TemplateBinding BorderThickness}" 
                                Background="{TemplateBinding Background}" 
                                Grid.ColumnSpan="2"/>
                        
                        <!--内容区域-->
                        <ScrollViewer x:Name="PART_ContentHost" BorderThickness="0" IsTabStop="False" Margin="2"
                                          VerticalAlignment="Stretch" Background="{x:Null}" />
                        <Button x:Name="PART_OpenButton" Grid.Column="1" Content="打开" Padding="6,0" Style="{StaticResource FlatButtonStyle}" />
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style TargetType="{x:Type controls:OpenFileTextBox}" BasedOn="{StaticResource OpenFileTextBoxStyle}" />

</ResourceDictionary>