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Message ) End Try End If If comOpen Then SerialPort1.
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IsOpen Catch ex As Exception comOpen = False MsgBox ( "Error Open: " & ex. Start () End Sub Private Sub ReadTheMeters () If comOpen = False Then Try SerialPort1. Empty Private Bytenumber As Integer Private Bytenumber2 As Integer Private ByteToRead As Integer Private ByteToRead2 As Integer Private byteEnd ( 2 ) As Char Private byteEnd2 ( 2 ) As Char Private comOpen As Boolean Private Meter1 As String Private Meter2 As String Private Sub Button1_Click ( sender As Object, e As EventArgs ) Handles Button1. Empty Private readBuffer2 As String = String. VB.net Public Class Form1 Private readBuffer As String = String. Serial log pic doesnt want to show up, it is here: On my design, I just have a single button, a SerialPort1 (with the specs Enabled = True End Sub Private Sub Timer1_Tick ( ByVal sender As System. Message ) End Try End If End Sub Public Sub DoUpdate ( ByVal sender As Object, ByVal e As System. Invoke ( New EventHandler ( AddressOf DoUpdate )) Catch ex As Exception MsgBox ( "read " & ex. Newline 'readBuffer = SerialPort1.ReadLine() 'data to UI thread Me. ReadTo ( "=>" ) ' read entire string until. BytesToRead ' read one byte from buffer 'ByteToRead = SerialPort1.ReadByte() ' read one char from buffer 'CharToRead = SerialPort1.ReadChar() ' read until string "90" readBuffer = SerialPort1. ToCharArray ' get number off bytes in buffer Bytenumber = SerialPort1. DataReceived If comOpen Then Try byteEnd = SerialPort1. Close () End Sub Private Sub SerialPort1_DataReceived ( ByVal sender As System. WriteLine ( "VAL1?" ) End Sub Private Sub Form1_FormClosed ( ByVal sender As System. Click If comOpen = False Then Try SerialPort1. Empty Private Bytenumber As Integer Private ByteToRead As Integer Private byteEnd ( 2 ) As Char Private comOpen As Boolean Private Sub Button1_Click ( sender As Object, e As EventArgs ) Handles Button1.