EMail Chooser in Windows Phone 7

<!--ContentPanel - place additional content here-->
<Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0">
<Button Content="Choose eMail" FontFamily="Verdana" FontSize="22" Height="72" Margin="127,54,132,0" Name="button1" VerticalAlignment="Top" Click="button1_Click" />
</Grid>
</Grid>
<!--Sample code showing usage of ApplicationBar-->
<!--<phone:PhoneApplicationPage.ApplicationBar>
<shell:ApplicationBar IsVisible="True" IsMenuEnabled="True">
<shell:ApplicationBarIconButton IconUri="/Images/appbar_button1.png" Text="Button 1"/>
<shell:ApplicationBarIconButton IconUri="/Images/appbar_button2.png" Text="Button 2"/>
<shell:ApplicationBar.MenuItems>
<shell:ApplicationBarMenuItem Text="MenuItem 1"/>
<shell:ApplicationBarMenuItem Text="MenuItem 2"/>
</shell:ApplicationBar.MenuItems>
</shell:ApplicationBar>
</phone:PhoneApplicationPage.ApplicationBar>-->

</phone:PhoneApplicationPage>

The Complete Code of MainPage.xaml.cs looks like this:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;
using Microsoft.Phone.Tasks;

namespace Email_Chooser_Task
{
public partial class MainPage : PhoneApplicationPage
{
// Constructor
public MainPage()
{
InitializeComponent();
}

private void button1_Click(object sender, RoutedEventArgs e)
{
EmailAddressChooserTask objEmailChooser = new EmailAddressChooserTask();
objEmailChooser.Completed += new EventHandler<EmailResult>(EmailCompleted);
objEmailChooser.Show();
}
void EmailCompleted(object sender, EmailResult e)
{
switch (e.TaskResult)
{
case TaskResult.OK:
MessageBox.Show(" The eMail of: " + e.DisplayName + " is " + e.Email);
break;

case TaskResult.Cancel:
MessageBox.Show("Operation Cancelled");
break;

case TaskResult.None:
MessageBox.Show("Nothing Performed");
break;

}
}
}
}

The Output of the Application looks like this:

The Selected eMail Output Application looks like this:

I hope this article is useful for you.