Les évènements - Exercices

<Button x:Name="un" Content="1" HorizontalAlignment="Left" Margin="258,219,0,0" VerticalAlignment="Top" Width="45" Height="45" FontSize="24" Background="Gray"/>

private void Window_KeyDown(object sender, KeyEventArgs e)
{
    switch (e.Key.ToString())
    {
        case "NumPad1":
            un.Background = Brushes.Blue;
            break;
    }
}
private void Window_KeyUp(object sender, KeyEventArgs e)
{
    switch (e.Key.ToString())
    {
        case "NumPad1":
            un.Background = Brushes.Gray;
            break;
    }
}

<Grid>
    <TextBlock HorizontalAlignment="Left" Margin="149,128,0,0" TextWrapping="Wrap" Text="Chiffre 1" VerticalAlignment="Top" Height="38" Width="178" Foreground="black" FontSize="22" TextAlignment="Center" Background="white"/>

    <TextBox x:Name="chiffre_un" HorizontalAlignment="Left" Height="23" Margin="182,171,0,0" TextWrapping="Wrap"  VerticalAlignment="Top" Width="120"/>

    <TextBlock HorizontalAlignment="Left" Margin="452,128,0,0" TextWrapping="Wrap" Text="Chiffre 2" VerticalAlignment="Top" Height="38" Width="178" Foreground="black" FontSize="22" TextAlignment="Center" Background="white"/>

    <TextBox x:Name="chiffre_deux" HorizontalAlignment="Left" Height="23" Margin="481,171,0,0" TextWrapping="Wrap"  VerticalAlignment="Top" Width="120"/>

    <Button x:Name="button" Content="Multiplication" HorizontalAlignment="Left" Margin="318,225,0,0" VerticalAlignment="Top" Width="131" Height="48"/>

    <TextBlock x:Name="resultat" HorizontalAlignment="Left" Margin="296,324,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Height="38" Width="178" Foreground="black" FontSize="22" TextAlignment="Center" Background="white"/>
</Grid>

private void Button_Click(object sender, RoutedEventArgs e)
{
    double result = Convert.ToDouble(chiffre_un.Text) * Convert.ToDouble(chiffre_deux.Text);
    resultat.Text = result.ToString();
}

<Grid>
    <TextBlock x:Name="textBlock" HorizontalAlignment="Left" Margin="119,73,0,0" TextWrapping="Wrap" Text="Quel est le nom de domaine dans 'https://www.github.com' ?" VerticalAlignment="Top" Height="29" Width="603" FontSize="22"/>

    <TextBox x:Name="answer" HorizontalAlignment="Left" Height="23" Margin="258,166,0,0" TextWrapping="Wrap" Text="TextBox" VerticalAlignment="Top" Width="291"/>

    <Button x:Name="button" Content="Check answer" HorizontalAlignment="Left" Margin="258,245,0,0" VerticalAlignment="Top" Width="100" Height="34" Click="Button_Click"/>

    <Rectangle x:Name="check" Fill="#FFF4F4F5" HorizontalAlignment="Left" Height="34" Margin="449,245,0,0" Stroke="Black" VerticalAlignment="Top" Width="100"/>
</Grid>

private void Button_Click(object sender, RoutedEventArgs e)
{
    if(answer.Text.Equals("github.com")) //answer is the textBox
    {
        check.Fill = Brushes.Green; //check is the name of the rectangle
    }
    else
    {
        check.Fill = Brushes.Red;
    }
}

private void Button1_MouseEnter(object sender, MouseEventArgs e)
{
    Button2.Background = Brushes.Red;
}

private void Button1_MouseLeave(object sender, MouseEventArgs e)
{
    Button2.Background = Brushes.Gray;
}

private void Button2_MouseWheel(object sender, MouseWheelEventArgs e)
{
    if (e.Delta > 0)
    {
        Button2.Width += 5;
        Button2.Height += 5;
    }
    else if (e.Delta < 0)
    {
        Button2.Width -= 5;
        Button2.Height -= 5;
    }
}

<Grid>
    <Button x:Name="submit" Content="SUBMIT" HorizontalAlignment="Left" Margin="351,297,0,0" VerticalAlignment="Top" Width="128" Height="57" Click="Button_Click"/>

    <TextBox x:Name="textPrenom" HorizontalAlignment="Left" Height="44" Margin="80,188,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="267" Foreground="black" FontSize="26" TextAlignment="Left" Background="white"/>

    <TextBlock HorizontalAlignment="Left" Margin="80,77,0,0" TextWrapping="Wrap" Text="PRENOM" VerticalAlignment="Top" Height="42" Width="267" Foreground="white" FontSize="32" TextAlignment="Center" Background="Black"/>

    <TextBlock HorizontalAlignment="Left" Margin="477,77,0,0" TextWrapping="Wrap" Text="NOM" VerticalAlignment="Top" Height="42" Width="267" Foreground="white" FontSize="32" TextAlignment="Center" Background="Black"/>

    <TextBox x:Name="textNom" HorizontalAlignment="Left" Height="44" Margin="477,188,0,0" TextWrapping="Wrap"  VerticalAlignment="Top" Width="267" Foreground="black" FontSize="26" TextAlignment="Left" Background="white"/>
</Grid>

<Grid>

    <TextBlock x:Name="Prenom2" HorizontalAlignment="Left" Margin="0,83,-0.4,0" TextWrapping="Wrap" Text="PRENOM" VerticalAlignment="Top" Height="42" Width="794" Foreground="black" FontSize="32" TextAlignment="Center" Background="white"/>

    <TextBlock HorizontalAlignment="Left" Margin="0,36,-0.4,0" TextWrapping="Wrap" Text="BIENVENUE" VerticalAlignment="Top" Height="42" Width="794" Foreground="black" FontSize="32" TextAlignment="Center" Background="white"/>

    <TextBlock x:Name="Nom2" HorizontalAlignment="Left" Margin="0,130,-0.4,0" TextWrapping="Wrap" Text="NOM" VerticalAlignment="Top" Height="42" Width="794" Foreground="black" FontSize="32" TextAlignment="Center" Background="white"/>

</Grid>

private void Button_Click(object sender, RoutedEventArgs e)
{
    SecondePage deuxiemePage = new SecondePage(); //SecondePage est le nom de la 2e fenêtre
    this.Visibility = Visibility.Hidden;
    deuxiemePage.Prenom2.Text = textPrenom.Text; //Prenom2 est un textBlock sur la 2e fenêtre
                                                //textPrenom est la textBox où le prénom est entré
    deuxiemePage.Nom2.Text = textNom.Text;
    deuxiemePage.Show();
}