DINO_SCRUM/Magazyn_Client/Magazyn/MainWindow.xaml

<Window x:Class="Magazyn.MainWindow"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
         TextElement.Foreground="{DynamicResource MaterialDesignBody}"
        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:Magazyn"
        mc:Ignorable="d"
        Title="Fruit Warehouse" Height="400" Width="520">
    <Grid>
        <ListBox x:Name="fruitList" Margin="10,35,10,0" Height="239" VerticalAlignment="Top"/>

        <Button Name="sum" Content="Sum" Margin="0,288,24,0" Height="35" Background="Teal" Click="Button_Click_1" HorizontalAlignment="Right" Width="74" VerticalAlignment="Top"/>
        <TextBlock Name="payment" Margin="0,328,24,0" TextWrapping="Wrap" HorizontalAlignment="Right" Width="74" Height="16" VerticalAlignment="Top" FontWeight="Bold"/>
        <ProgressBar Name="loadingContent"  HorizontalAlignment="Left" Height="10" Margin="304,294,0,0" VerticalAlignment="Top" Width="100"/>
        <Label Content="Fruit list:" FontWeight="Bold" HorizontalAlignment="Left" Margin="10,4,0,0" VerticalAlignment="Top" Width="100"/>


    </Grid>
</Window>