SteamTools/System.Application.SteamTools.Client.Desktop.Avalonia/Application/UI/Controls/ToastMessage.axaml

<UserControl xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:vm="clr-namespace:System.Application.UI.ViewModels;assembly=System.Application.SteamTools.Client.Desktop"
             xmlns:service="clr-namespace:System.Application.Services;assembly=System.Application.SteamTools.Client.Desktop"
             mc:Ignorable="d" d:DesignWidth="300" d:DesignHeight="50" Margin="0 0 0 20"
             Background="Transparent" IsVisible="{Binding Source={x:Static service:ToastService.Current},Path=IsVisible,Mode=OneWay}"
             x:Class="System.Application.UI.Controls.ToastMessage">
    <Design.DataContext>
        <vm:ToastMessageViewModel/>
    </Design.DataContext>
    <Border Background="{DynamicResource ActiveBackgroundBrushKey}" Classes="paper" CornerRadius="3">
        <StackPanel Orientation="Horizontal">
            <!--<TextBlock Text="{Binding Title}" FontSize="16"/>-->
            <Border Padding="10">
                <TextBlock Text="{Binding Source={x:Static service:ToastService.Current},Path=Message,Mode=OneWay}" FontSize="14" Foreground="{DynamicResource HighlightForegroundColorKey}" VerticalAlignment="Center" HorizontalAlignment="Center" TextWrapping="WrapWithOverflow" MaxWidth="780"/>
            </Border>
            <Button Width="40" Height="40" Background="Transparent" Command="{Binding Source={x:Static service:ToastService.Current},Path=CloseBtn_Click}">
                <Image Width="12">
                    <Image.Source>
                        <DrawingImage Drawing="{DynamicResource CloseDrawing}"></DrawingImage>
                    </Image.Source>
                </Image>
            </Button>
        </StackPanel>
    </Border>
</UserControl>