try            {                string msg = this.richTextBox1.Text;                string title = "新通知";                string toastMessage = "<?xml version=\"1.0\" encoding=\"utf-8\"?>" +                    "<wp:Notification xmlns:wp=\"WPNotification\">" +                       "<wp:Toast>" +                            "<wp:Text1>" + title + "</wp:Text1>" +                            "<wp:Text2>" + this.textBox1.Text + "</wp:Text2>" +                            "<wp:Param>/Views/MainPage.xaml?NavigatedFrom=ToastNotification" + Uri.EscapeDataString("&title=" + title + "&msg=" + msg) + "</wp:Param>" +                       "</wp:Toast> " +                    "</wp:Notification>";                byte[] strBytes = new UTF8Encoding().GetBytes(toastMessage);                MsgLabel.Text = "发送中。。。";                SendToastNotification(strBytes);            }            catch (Exception ex)            {                MessageBox.Show(ex.Message);            }