選擇器

 

<Grid x:Name="LayoutRoot" Background="Transparent">
       <Grid.RowDefinitions>
           <RowDefinition Height="Auto"/>
           <RowDefinition Height="auto"/>
           <RowDefinition Height="auto"/>
       </Grid.RowDefinitions>
       <Grid>
           <Grid.RowDefinitions>
               <RowDefinition></RowDefinition>
               <RowDefinition></RowDefinition>
           </Grid.RowDefinitions>
           <Grid.ColumnDefinitions>
               <ColumnDefinition></ColumnDefinition>
               <ColumnDefinition></ColumnDefinition>
           </Grid.ColumnDefinitions>
           <RadioButton Name="chooserPhone" Content="選擇電話號碼"></RadioButton>
           <RadioButton Name="chooserEmail" Content="選擇Email地址" Grid.Column="1"></RadioButton>
           <RadioButton Name="savePhone" Content="保存電話號碼" Grid.Row="1"></RadioButton>
           <RadioButton Name="saveEmail" Content="保存Email地址" Grid.Row="1" Grid.Column="1"></RadioButton>
        </Grid>

       <TextBox  Name="textBox1" Grid.Row="1"></TextBox>
       <Button  Click="Button_Click" Content="啓動Chooser任務" Grid.Row="2" Width="300"></Button>


   </Grid>

C#

public partial class MyChoosers : PhoneApplicationPage
    {
        PhoneNumberChooserTask phoneNumberChooserTask;
        EmailAddressChooserTask emailAddressChooserTask;
        SavePhoneNumberTask savePhoneNumberTask;
        SaveEmailAddressTask saveEmailAddressTask;
        public MyChoosers()
        {
            phoneNumberChooserTask=new PhoneNumberChooserTask();
            emailAddressChooserTask =new EmailAddressChooserTask();
            saveEmailAddressTask=new SaveEmailAddressTask();
            savePhoneNumberTask=new SavePhoneNumberTask();

            phoneNumberChooserTask.Completed += new EventHandler<PhoneNumberResult>(phoneNumberChooserTask_Completed);
            emailAddressChooserTask.Completed += new EventHandler<EmailResult>(emailAddressChooserTask_Completed);
            saveEmailAddressTask.Completed += new EventHandler<TaskEventArgs>(saveEmailAddressTask_Completed);
            savePhoneNumberTask.Completed += new EventHandler<TaskEventArgs>(savePhoneNumberTask_Completed);
            InitializeComponent();
        }

        void savePhoneNumberTask_Completed(object sender, TaskEventArgs e)
        {
            if (e.TaskResult == TaskResult.OK)
                MessageBox.Show("保存電話成功！");
        }

        void saveEmailAddressTask_Completed(object sender, TaskEventArgs e)
        {
            if (e.TaskResult == TaskResult.OK)
                MessageBox.Show("保存Email地址成功！");
        }

        void emailAddressChooserTask_Completed(object sender, EmailResult e)
        {
            if (e.TaskResult == TaskResult.OK)
                textBox1.Text = e.Email;
        }

        void phoneNumberChooserTask_Completed(object sender, PhoneNumberResult e)
        {
            if (e.TaskResult == TaskResult.OK)
                textBox1.Text = e.PhoneNumber;
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            if (chooserEmail.IsChecked.Value)
            {
                emailAddressChooserTask.Show();
            }
            else if (chooserPhone.IsChecked.Value)
            {
                phoneNumberChooserTask.Show();
            }
            else if (savePhone.IsChecked.Value)
            {
                savePhoneNumberTask.PhoneNumber = textBox1.Text.Trim();
                savePhoneNumberTask.Show();
            }
            else if (saveEmail.IsChecked.Value)
            {
                saveEmailAddressTask.Email = textBox1.Text.Trim();
                saveEmailAddressTask.Show();
            }
        }
    }