aivfo-tl-3.0/aivfo-front-manament-2.0/ivf_tl_Manage/Win/ToastMessageWindow.xaml

<Window x:Class="ivf_tl_Manage.Win.ToastMessageWindow"
        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:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:ivf_tl_Manage.Win"
        mc:Ignorable="d"
        FontFamily="{StaticResource sourceHan}"
        WindowStyle="None"
        ShowInTaskbar="False"
        WindowStartupLocation="Manual"
        AllowsTransparency="True"
        Height="64"
        SizeToContent="Width" 
        Background="Transparent"
        >
    <Border CornerRadius="12" Background="#7A7A7A" Margin="10">

        <TextBlock x:Name="_message" Margin="20 0 20 0" FontWeight="Medium" Foreground="White" FontSize="20" Text="" HorizontalAlignment="Center" VerticalAlignment="Center">
           
        </TextBlock>
        <Border.Effect>
            <DropShadowEffect  BlurRadius="10" ShadowDepth="0" Opacity="0.40" Color="Black"/>
        </Border.Effect>
    </Border>
</Window>