MainWindow.xaml

<Window x:Class="Weather_Images_Downloader.MainWindow"
        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"
        mc:Ignorable="d"
        Name="window" Title="Weather Images Downloader" SizeToContent="Height" Width="525" Closed="window_Closed" ResizeMode="CanMinimize">
    <Grid Margin="5">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
        </Grid.RowDefinitions>
        <Grid Grid.Row="0">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="Auto"/>
                <ColumnDefinition Width="Auto"/>
                <ColumnDefinition Width="Auto"/>
                <ColumnDefinition Width="Auto"/>
                <ColumnDefinition Width="Auto"/>
                <ColumnDefinition Width="*"/>
            </Grid.ColumnDefinitions>
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto"/>
                <RowDefinition Height="Auto"/>
            </Grid.RowDefinitions>

            <Label Grid.Column="0" Grid.Row="0" Content="Lade Bilder von:" Margin="2" Padding="0"/>
            <CheckBox Grid.Column="1" Grid.Row="0" Content="Heute" Margin="2" IsChecked="{Binding Path=Today}"/>
            <CheckBox Grid.Column="2" Grid.Row="0" Content="Gestern" Margin="2" IsChecked="{Binding Path=Yesterday}"/>
            <CheckBox Grid.Column="3" Grid.Row="0" Content="Vorgestern" Margin="2" IsChecked="{Binding Path=YesterYesterday}"/>

            <Label Grid.Column="0" Grid.Row="1" Content="Typ:" Margin="2" Padding="0" />
            <CheckBox Grid.Column="1" Grid.Row="1" Content="Regen" Margin="2" IsChecked="{Binding Path=Rain}"/>
            <CheckBox Grid.Column="2" Grid.Row="1" Content="Wetter" Margin="2" IsChecked="{Binding Path=Weather}"/>
        </Grid>

        <Grid Grid.Row="1">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="Auto"/>
                <ColumnDefinition Width="*"/>
            </Grid.ColumnDefinitions>
             
            <Label Content="Ort(e): " Padding="0" Margin="2"/>
            <TextBox Name="areaTextBox" Grid.Column="1" Text="{Binding Path=Areas}" VerticalAlignment="Center" Margin="2"/>
        </Grid>
        
        <Grid Grid.Row="2">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="*"/>
                <ColumnDefinition Width="Auto"/>
                <ColumnDefinition Width="*"/>
            </Grid.ColumnDefinitions>
            <Button Name="downloadButton" Grid.Column="1" Content="Download" Margin="5" Click="downloadButton_Click"/>

            <CheckBox Grid.Column="2" Grid.Row="0" Content="Live View" VerticalAlignment="Center" Margin="2" IsChecked="{Binding ElementName=window, Path=LiveView}"/>
        </Grid>
        
        <Grid Grid.Row="3">
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto"/>
                <RowDefinition Height="Auto"/>
                <RowDefinition Height="Auto"/>
                <RowDefinition Height="Auto"/>
            </Grid.RowDefinitions>
            <Label Name="progressLabel" Content="{Binding Path=ProgressString, ElementName=window}" Padding="0" Margin="2,0,2,-2"/>
            <ProgressBar Grid.Row="1" Name="progressBar" Value="{Binding Progress, ElementName=window, Mode=OneWay}" Height="10" Maximum="1" Margin="2,0,2,0"/>
            <Label Grid.Row="2" Content="{Binding Error, ElementName=window, Mode=OneWay}" Margin="0,15,0,0"/>
            <Image Grid.Row="3" Source="{Binding ElementName=window, Path=WeatherImage}" Height="Auto" Visibility="{Binding ElementName=window, Path=LiveView}"/>
        </Grid>
    </Grid>
</Window>