如何使用vb.net从加密狗发送消息到移动设备? [英] How to send a message from dongle to mobile using vb.net?
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问题描述
大家好..
如何使用vb.net从加密狗向手机发送消息?
我收到的错误是是进程无法访问端口'com7',因为它被另一个进程使用。我的编码如下...
Hi Everyone..
How to send a message from dongle to mobile using vb.net?
I am getting error that is The process cannot access the port 'com7' because it is being used by another process.My coding is below...
Option Explicit On
Imports System
Imports System.Threading
Imports System.ComponentModel
Imports System.IO.Ports
Public Class Class1
Private WithEvents SMSPort As SerialPort
Private SMSThread As Thread
Private ReadThread As Thread
Shared _Continue As Boolean = False
Shared _ContSMS As Boolean = False
Private _Wait As Boolean = False
Shared _ReadPort As Boolean = False
Public Event Sending(ByVal Done As Boolean)
Public Event DataReceived(ByVal Message As String)
Public Sub New(ByRef COMMPORT As String)
SMSPort = New SerialPort
With SMSPort
.PortName = COMMPORT
.BaudRate = 9600
.Parity = Parity.None
.DataBits = 8
.StopBits = StopBits.One
.Handshake = Handshake.RequestToSend
.DtrEnable = True
.RtsEnable = True
.NewLine = vbCrLf
End With
ReadThread = New Thread(AddressOf ReadPort)
End Sub
Public Function SendSMS(ByVal CellNumber As String, ByVal SMSMessage As String) As Boolean
Dim MyMessage As String = Nothing
'Check if Message Length <= 160
If SMSMessage.Length <= 160 Then
MyMessage = SMSMessage
Else
MyMessage = Mid(SMSMessage, 1, 160)
End If
If IsOpen = True Then
SMSPort.WriteLine("AT+CMGS=" & CellNumber & vbCrLf)
_ContSMS = False
SMSPort.WriteLine(MyMessage & vbCrLf & Chr(26))
_Continue = False
RaiseEvent Sending(False)
End If
End Function
Private Sub ReadPort()
Dim SerialIn As String = Nothing
Dim RXBuffer(SMSPort.ReadBufferSize) As Byte
Dim SMSMessage As String = Nothing
Dim Strpos As Integer = 0
Dim TmpStr As String = Nothing
While SMSPort.IsOpen = True
If (SMSPort.BytesToRead <> 0) And (SMSPort.IsOpen = True) Then
While SMSPort.BytesToRead <> 0
SMSPort.Read(RXBuffer, 0, SMSPort.ReadBufferSize)
SerialIn = SerialIn & System.Text.Encoding.ASCII.GetString(RXBuffer)
If SerialIn.Contains(">") = True Then
_ContSMS = True
End If
If SerialIn.Contains("+CMGS:") = True Then
_Continue = True
RaiseEvent Sending(True)
_Wait = False
SerialIn = String.Empty
ReDim RXBuffer(SMSPort.ReadBufferSize)
End If
End While
RaiseEvent DataReceived(SerialIn)
SerialIn = String.Empty
ReDim RXBuffer(SMSPort.ReadBufferSize)
End If
End While
End Sub
Public ReadOnly Property IsOpen() As Boolean
Get
If SMSPort.IsOpen = True Then
IsOpen = True
Else
IsOpen = False
End If
End Get
End Property
Public Sub Open()
If IsOpen = False Then
SMSPort.Open()
ReadThread.Start()
End If
End Sub
Public Sub Close()
If IsOpen = True Then
SMSPort.Close()
End If
End Sub
End Class
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim aa As New Class1("COM7")
'aa = New Class1("COM7")
aa.Open()
aa.SendSMS("919888888888", "SMS Testing")
aa.Close()
End Sub
End Class
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