vb.net如何通过gsm从桌面应用程序向手机发送短信

Question

having difficulties in sending sms via gsm to mobile phone. it giving me this error. CANNOT CONNECT TO PORT COM11. THE REQUESTED RESOURCE IS IN USE. Using windows 7. below is my code

            Dim comm = New GsmCommMain("COM11", 460800, 6000)
            TextBox2.Text = "Balance" + "" + Txtbalance.Text
            Dim pdu = New SmsSubmitPdu(TextBox2.Text, Txtcellnumber.Text)
            comm.Open()
            comm.SendMessage(pdu)
            comm.Close()

Answer 1

您是否以管理员身份运行程序或Visual Studio？