BililiveRecorder/BililiveRecorder.WPF/UpdateBarUserControl.xaml

<UserControl x:Class="BililiveRecorder.WPF.UpdateBarUserControl"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:local="clr-namespace:BililiveRecorder.WPF"
             mc:Ignorable="d" 
             d:DesignHeight="30" d:DesignWidth="800">
    <UserControl.Resources>
        <ResourceDictionary>
            <BooleanToVisibilityConverter x:Key="BoolToVis"/>
        </ResourceDictionary>
    </UserControl.Resources>
    <Grid Height="30"
          Visibility="{Binding Display,Converter={StaticResource BoolToVis}}"
          Background="Orange">
        <Grid>
            <StackPanel Orientation="Horizontal" Height="20" VerticalAlignment="Center" HorizontalAlignment="Center">
                <TextBlock VerticalAlignment="Center" Text="{Binding MainText}"/>
                <Button Margin="5,0" Click="Button_Click">
                    <TextBlock Margin="5,0" Text="{Binding ButtonText}"/>
                </Button>
            </StackPanel>
            <Viewbox HorizontalAlignment="Right"
                    VerticalAlignment="Center"
                    Height="20" Width="20"
                    Margin="0,0,10,0">
                <Border Background="Transparent" MouseUp="CloseUpdateBar">
                    <Canvas Width="52" Height="52">
                        <Path Fill="Black" Data="M26,0C11.664,0,0,11.663,0,26s11.664,26,26,26s26-11.663,26-26S40.336,0,26,0z M26,50C12.767,50,2,39.233,2,26   S12.767,2,26,2s24,10.767,24,24S39.233,50,26,50z"/>
                        <Path Fill="Black" Data="M35.707,16.293c-0.391-0.391-1.023-0.391-1.414,0L26,24.586l-8.293-8.293c-0.391-0.391-1.023-0.391-1.414,0   s-0.391,1.023,0,1.414L24.586,26l-8.293,8.293c-0.391,0.391-0.391,1.023,0,1.414C16.488,35.902,16.744,36,17,36   s0.512-0.098,0.707-0.293L26,27.414l8.293,8.293C34.488,35.902,34.744,36,35,36s0.512-0.098,0.707-0.293   c0.391-0.391,0.391-1.023,0-1.414L27.414,26l8.293-8.293C36.098,17.316,36.098,16.684,35.707,16.293z"/>
                    </Canvas>
                </Border>
            </Viewbox>
        </Grid>
        <Grid Visibility="{Binding ShowProgressBar,Converter={StaticResource BoolToVis}}">
            <ProgressBar Margin="10,5" Value="{Binding Progress}"/>
            <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Text="{Binding ProgressText}"/>
        </Grid>
    </Grid>
</UserControl>