Status bar is somehow called a line where the status or we can say information regarding the window is stated.

Below is the code for Status bar having progress bar:

<StatusBar x:Name="StatusBar" VerticalAlignment="Bottom" Height="25" Background="#FF89C1FF">

<StatusBar.ItemsPanel>

<ItemsPanelTemplate>

<Grid>

<Grid.RowDefinitions>

<RowDefinition Height="*"/>

</Grid.RowDefinitions>

<Grid.ColumnDefinitions>

<ColumnDefinition Width="4*"/>

<ColumnDefinition Width="Auto"/>

<ColumnDefinition Width="*"/>

<ColumnDefinition Width="*"/>

</Grid.ColumnDefinitions>

</Grid>

</ItemsPanelTemplate>

</StatusBar.ItemsPanel>

<StatusBarItem BorderThickness="1" Margin="0,-3,0,-2">

<TextBlock x:Name="statusBarText">Welcome to ABC</TextBlock>

</StatusBarItem>

<StatusBarItem Grid.Column="1"></StatusBarItem>

<StatusBarItem Grid.Column="3" HorizontalAlignment="Left" ></StatusBarItem>

</StatusBar>

<TextBlock Margin="472,290,12,6">Go!</TextBlock>

<ProgressBar Value="30" Width="80" Height="18" Margin="0,290,49,3"
HorizontalAlignment="Right"/>