Chooser的使用

using Microsoft.Phone.Tasks;

PhoneNumberChooserTask phoneNumberChooser;//PhoneNumberChooserTask允許應用程序啟動“聯(lián)系人”應用程序。該方法可獲取用戶選擇的聯(lián)系人的電話號碼

EmailAddressChooserTask emailAddressChooser;//EmailAddressChooserTask 允許應用程序啟動“聯(lián)系人”應用程序。該方法可獲取用戶選擇的聯(lián)系人的電子郵件地址

SavePhoneNumberTask phoneNumberSaver;//SavePhoneNumberTask 允許應用程序啟動“聯(lián)系人”應用程序。該方法允許用戶將應用程序中的電話號碼保存到新的或現(xiàn)有的聯(lián)系人

SaveEmailAddressTask emailAddressSaver;//SaveEmailAddressTask 允許應用程序啟動“聯(lián)系人”應用程序。該方法允許用戶將應用程序中的電子郵件地址保存到新的或現(xiàn)有的聯(lián)系人

phoneNumberChooser = new PhoneNumberChooserTask();

emailAddressChooser = new EmailAddressChooserTask();

phoneNumberSaver = new SavePhoneNumberTask();

emailAddressSaver = new SaveEmailAddressTask();

phoneNumberChooser.Completed += new EventHandler<PhoneNumberResult>(phoneNumberChooser_Completed);

emailAddressChooser.Completed += new EventHandler<EmailResult>(emailAddressChooser_Completed);

phoneNumberSaver.Completed += new EventHandler<TaskEventArgs>(phoneNumberSaver_Completed);

emailAddressSaver.Completed += new EventHandler<TaskEventArgs>(emailAddressSaver_Completed)；

void emailAddressSaver_Completed(object sender, TaskEventArgs e)

{

//在任務正常完成的情況下，才可以提取返回數(shù)據(jù)，否則會引發(fā)異常。

       if (e.TaskResult == TaskResult.OK)

       {

            MessageBox.Show("保存成功");

       }

}

void phoneNumberSaver_Completed(object sender, TaskEventArgs e)

{

       if (e.TaskResult == TaskResult.OK)

       {

             MessageBox.Show("保存成功");

       }

}

void emailAddressChooser_Completed(object sender, EmailResult e)

{

       if (e.TaskResult == TaskResult.OK)

       {

             txbPhoneOrEmail.Text = e.Email;

       }

}

void phoneNumberChooser_Completed(object sender, PhoneNumberResult e)

{

       if (e.TaskResult == TaskResult.OK)

       {

             txbPhoneOrEmail.Text = e.PhoneNumber;

       }

}

private void btnInvokeChooser_Click(object sender, RoutedEventArgs e)

{

       if (rbPhoneNumberChooser.IsChecked.Value)

       {

              phoneNumberChooser.Show();

       }

       if (rbEmaiAddresslChooser.IsChecked.Value)

       {

              emailAddressChooser.Show();

       }

       if (rbPhoneNumberSaver.IsChecked.Value)

       {

              phoneNumberSaver.PhoneNumber = txbPhoneOrEmail.Text.Trim();

              phoneNumberSaver.Show();

       }

       if (rbEmailAddressSaver.IsChecked.Value)

       {

              emailAddressSaver.Email = txbPhoneOrEmail.Text.Trim();

              emailAddressSaver.Show();

       }

}