private void SendMail_Tap(object sender, System.Windows.Input.GestureEventArgs e)
{
EmailComposeTask emailcomposer = new EmailComposeTask();
emailcomposer.To = "[email protected]";
emailcomposer.Subject = "论改进一下的必要性";
emailcomposer.Body = "请喷得温柔些哦 ^_^ ~~";
emailcomposer.Show();
}