XAML:

<StackPanel Margin="20">
        <TextBlock FontSize="50">TOINEN SIVU</TextBlock>
        <CheckBox>Olen lukenut ja ymmärtänyt ehdot</CheckBox>

        <TextBlock>Haluatko uutiskirjeen?</TextBlock>
        <RadioButton GroupName="NewsLetter">Kyllä</RadioButton>
        <RadioButton GroupName="NewsLetter">En</RadioButton>

        <TextBlock>Valitse kieli:</TextBlock>
        <RadioButton GroupName="AppLanguage">Suomi</RadioButton>
        <RadioButton GroupName="AppLanguage">Svenska</RadioButton>
        <RadioButton GroupName="AppLanguage">English</RadioButton>
    </StackPanel>

-------------------

<Page
    x:Class="UWPCourseApp2022.SecondPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:UWPCourseApp2022"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">

    <StackPanel Margin="20">
        <TextBlock FontSize="50">TOINEN SIVU</TextBlock>
        <CheckBox>Olen lukenut ja ymmärtänyt ehdot</CheckBox>

        <TextBlock>Haluatko uutiskirjeen?</TextBlock>
        <RadioButton GroupName="NewsLetter">Kyllä</RadioButton>
        <RadioButton GroupName="NewsLetter">En</RadioButton>

        <TextBlock>Valitse kieli:</TextBlock>
        <RadioButton GroupName="AppLanguage">Suomi</RadioButton>
        <RadioButton GroupName="AppLanguage">Svenska</RadioButton>
        <RadioButton GroupName="AppLanguage">English</RadioButton>

        <Rectangle HorizontalAlignment="Left"
                   Width="200"
                   Height="200"
                   Fill="MediumOrchid">

        </Rectangle>

        <Image Source="Assets/citynight.jpg" Width="600" RenderTransformOrigin="0.5,0.5">
            <Image.RenderTransform>
                <CompositeTransform Rotation="217.228"/>
            </Image.RenderTransform>
        </Image>

    </StackPanel>
</Page>
-----------------------------------------


        <ComboBox Margin="20" Width="200">
            <ComboBoxItem>Banaani</ComboBoxItem>
            <ComboBoxItem>Omena</ComboBoxItem>
            <ComboBoxItem>Mansikka</ComboBoxItem>
            <ComboBoxItem>Hunajavesimeloni</ComboBoxItem>
        </ComboBox>

        <TextBlock Name="ComboTarget" Margin="20">Mitään ei ole vielä valittu</TextBlock>

----------------------------

<Border Margin="20" Background="DarkBlue" Width="400" Height="200" HorizontalAlignment="Left">
            <TextBlock FontSize="30" HorizontalAlignment="Center" VerticalAlignment="Center" Foreground="White">Tässä on jotain tekstiä</TextBlock>
        </Border>

---------------------------

<RelativePanel Margin="10">
        <TextBlock Margin="20" Name="FirstText" FontWeight="Bold" FontSize="30">Ensimmäinen teksti</TextBlock>

        <Button Margin="20" RelativePanel.RightOf="FirstText" Name="SecondButton">Testinappi</Button>

        <Button Margin="20" RelativePanel.Below="SecondButton" RelativePanel.AlignLeftWith="SecondButton" Name="ThirdButton">Kolmas nappi</Button>
    </RelativePanel>

--------------------------------
<Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition />
            <ColumnDefinition />
        </Grid.ColumnDefinitions>

        <Grid.RowDefinitions>
            <RowDefinition />
            <RowDefinition />
        </Grid.RowDefinitions>

        <Rectangle Grid.Row="0" Grid.Column="0" Fill="DarkMagenta"></Rectangle>
        <Rectangle Grid.Row="0" Grid.Column="1" Fill="LawnGreen"></Rectangle>
        <Rectangle Grid.Row="1" Grid.Column="0" Fill="LightPink"></Rectangle>
        <Rectangle Grid.Row="1" Grid.Column="1" Fill="Teal"></Rectangle>
    </Grid>
-------------------------------
 <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="200" />
            <ColumnDefinition Width="300"/>
            <ColumnDefinition Width="*" />
        </Grid.ColumnDefinitions>

        <Grid.RowDefinitions>
            <RowDefinition Height="150"/>
            <RowDefinition />
        </Grid.RowDefinitions>

        <Rectangle Grid.Row="0" Grid.Column="0" Fill="DarkMagenta"></Rectangle>
        <Rectangle Grid.Row="0" Grid.Column="1" Fill="LawnGreen"></Rectangle>
        <Rectangle Grid.Row="0" Grid.Column="2" Fill="DarkRed"></Rectangle>
        <Rectangle Grid.Row="1" Grid.Column="0" Fill="LightPink"></Rectangle>
        <Rectangle Grid.Row="1" Grid.Column="1" Fill="Teal"></Rectangle>
        <Rectangle Grid.Row="1" Grid.Column="2" Fill="MediumSpringGreen"></Rectangle>
    </Grid>
----------------------------
<Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*" />
            <ColumnDefinition Width="240"/>

        </Grid.ColumnDefinitions>

        <Grid.RowDefinitions>
            <RowDefinition Height="200"/>
            <RowDefinition />
        </Grid.RowDefinitions>

        <!-- Ensimmäinen rivi + sarake, yhdistää kaksi saraketta yhdeksi (column span) -->
        <StackPanel Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="2" Background="BurlyWood">
            <TextBlock Padding="30" FontSize="60" FontWeight="Bold">YRITYS OY AB</TextBlock>
        </StackPanel>

        <!-- varsinainen sisältö -->
        <RelativePanel Grid.Row="1" Grid.Column="0"  Background="Gainsboro">
            <Button Name="FirstButton" Margin="30">Tee uusi lomake</Button>

            <Button RelativePanel.Below="FirstButton" Margin="30">Selaa vanhoja lomakkeita</Button>
        </RelativePanel>

        <!-- oikeanpuoleinen apuvalikko -->
        <StackPanel Grid.Row="1" Grid.Column="1" Background="LightSteelBlue">
            <ComboBox Margin="30" HorizontalAlignment="Center">
                <ComboBoxItem>Rovaniemi</ComboBoxItem>
                <ComboBoxItem>Tornio</ComboBoxItem>
                <ComboBoxItem>Oulu</ComboBoxItem>
            </ComboBox>
        </StackPanel>

    </Grid>
-----------------------------------------

<Border Margin="20"
                Width="200" Height="200"
                Background="MediumPurple"
                PointerEntered="Border_PointerEntered"
                PointerExited="Border_PointerExited">
            <TextBlock FontSize="20" HorizontalAlignment="Center" Name="MouseText">
                Laita hiiri päälle
            </TextBlock>
        </Border>

------------------------------
C#:

// navigointi toiseen Pageen, esim. MainPagessa
private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            this.Frame.Navigate(typeof(SecondPage));
        }

-----------------


       private void ComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            // muutetaan sender ComboBoxiksi, eli mistä comboboxista muutospyyntö tuli
            ComboBox cb = sender as ComboBox;

            // haetaan valittu asia comboboxista ja muutetaan se comboboxitemiksi
            ComboBoxItem item = cb.SelectedItem as ComboBoxItem;

            // haetaan valinnan teksti comboboxitemiksi
            String txt = item.Content as String;

            ComboTarget.Text = txt;
        }

-----------------------



        private void Border_PointerEntered(object sender, PointerRoutedEventArgs e)
        {
            MouseText.Text = "Hiiri on päällä!";
        }

        private void Border_PointerExited(object sender, PointerRoutedEventArgs e)
        {
            MouseText.Text = "Hiiri poistui...";
        }