Imports System
Imports System.Runtime.InteropServices

Namespace JustinIO
    Class CommPort
        Public PortNum As String
        Public BaudRate As Integer
        Public ByteSize As Byte
        Public Parity As Byte ´// 0-4=no,odd,even,mark,space
        Public StopBits As Byte  ´// 0,1,2 = 1, 1.5, 2
        Public ReadTimeout As Integer ´//comm port win32 file handle
        Private hComm As Integer = -1
        Public Opened As Boolean = False
        ´//win32 api constants
        Private Const GENERIC_READ As Int64 = &H80000000
        Private Const GENERIC_WRITE As Int64 = &H40000000
        Private Const OPEN_EXISTING As Integer = 3
        Private Const INVALID_HANDLE_VALUE As Integer = -1

#Region "struct"

        <StructLayout(LayoutKind.Sequential)> _
      Public Structure DCB
   &nb

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