BililiveRecorder/BililiveRecorder.WPF/TimedMessageBox.xaml

<Window x:Class="BililiveRecorder.WPF.TimedMessageBox"
        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:BililiveRecorder.WPF"
        mc:Ignorable="d" ResizeMode="NoResize"
        Title="TimedMessageBox" Height="200" Width="320"
        Loaded="Window_Loaded">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="1*"/>
            <ColumnDefinition Width="1*"/>
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="5*"/>
            <RowDefinition Height="3*"/>
        </Grid.RowDefinitions>
        <TextBlock Grid.ColumnSpan="2" VerticalAlignment="Center" TextAlignment="Center" TextWrapping="Wrap" FontSize="16" Text="{Binding Message}"/>
        <Button Grid.Row="1" Grid.Column="0" Margin="10" FontSize="20" Click="ConfirmClick">
            确定
        </Button>
        <Button Grid.Row="1" Grid.Column="1" Margin="10" Click="CancelClick">
            <TextBlock FontSize="20">取消 (<TextBlock Text="{Binding CountDown}"/>)</TextBlock>
        </Button>
    </Grid>
</Window>