App.xaml

<Application
    x:Class="VisualChatBot.App"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="clr-namespace:VisualChatBot"
    StartupUri="Views/VisualChat.xaml">
    <Application.Resources>
        <ResourceDictionary>
            <!--  默认颜色  -->
            <SolidColorBrush x:Key="BackgroundColor" Color="White" />
            <SolidColorBrush x:Key="ForegroundColor" Color="Black" />
            <SolidColorBrush x:Key="TextBoxBackgroundColor" Color="#F5F5F5" />
            <SolidColorBrush x:Key="TextBoxForegroundColor" Color="Black" />
            <SolidColorBrush x:Key="LabelForegroundColor" Color="#36454f" />
            <SolidColorBrush x:Key="ButtonBackgroundColor" Color="LightGray" />
            <!--  黑暗模式颜色  -->
            <SolidColorBrush x:Key="DarkBackgroundColor" Color="#1F1F1F" />
            <SolidColorBrush x:Key="DarkForegroundColor" Color="White" />
            <SolidColorBrush x:Key="DarkTextBoxBackgroundColor" Color="#454545" />
            <SolidColorBrush x:Key="DarkTextBoxForegroundColor" Color="White" />
            <SolidColorBrush x:Key="DarkLabelForegroundColor" Color="#f2f3f4" />
            <SolidColorBrush x:Key="DarkButtonBackgroundColor" Color="LightGray" />
            <!--  无边框Textbox样式  -->
            <Style x:Key="NoBorderTextBox" TargetType="{x:Type TextBox}">
                <Setter Property="Foreground" Value="Black" />
                <Setter Property="Background" Value="Transparent" />
                <Setter Property="BorderThickness" Value="0" />
                <Setter Property="Margin" Value="5,10,5,10" />
                <Setter Property="TextWrapping" Value="Wrap" />
                <Setter Property="Template">
                    <Setter.Value>
                        <ControlTemplate TargetType="{x:Type TextBox}">
                            <Border
                                Background="{TemplateBinding Background}"
                                BorderBrush="{TemplateBinding BorderBrush}"
                                BorderThickness="{TemplateBinding BorderThickness}">
                                <ScrollViewer x:Name="PART_ContentHost" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                            </Border>
                            <ControlTemplate.Triggers>
                                <Trigger Property="IsMouseOver" Value="True">
                                    <Setter Property="BorderBrush" Value="Transparent" />
                                </Trigger>
                            </ControlTemplate.Triggers>
                        </ControlTemplate>
                    </Setter.Value>
                </Setter>
            </Style>
            <!--  无光标框Button  -->
            <Style x:Key="NoFocusButton" TargetType="Button">
                <Setter Property="Template">
                    <Setter.Value>
                        <ControlTemplate>
                            <TextBlock Cursor="Hand" Text="{Binding Content, RelativeSource={RelativeSource AncestorType=Button, Mode=FindAncestor}}" />
                        </ControlTemplate>
                    </Setter.Value>
                </Setter>
            </Style>
        </ResourceDictionary>
    </Application.Resources>
</Application>