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只能说很简单...
这里以使用AT命令VB.net启用SIM卡锁定(Enable SIM Lock using AT Command VB.net) 为例子
使用串口控件就可以实现.
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
SerialPort1.PortName = "COM8"
SerialPort1.BaudRate = 9600
SerialPort1.Parity = Parity.None
SerialPort1.StopBits = StopBits.One
SerialPort1.DataBits = 8
SerialPort1.Handshake = Handshake.RequestToSend
SerialPort1.DtrEnable = True
SerialPort1.RtsEnable = True
SerialPort1.NewLine = vbCrLf
End Sub
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
SerialPort1.Open()
If SerialPo