请告诉我计算机的串口的定义怎样
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Private Sub Form_Load()Dim i As Integer
For i = 1 To 14
Combo1.AddItem pub_baud(i)
Next
'启用上次的波特率和串口号
Combo1.Text = pub_baud_485
Restore com_no_485
End SubPrivate Sub OK_Click()
pub_baud_485 = CLng(Combo1.Text)com_no_485 = com_tempfrm_485_Operate.StatusBar1.Panels(1).Text = "当前串口号:" & com_no_485Unload Meexitsub:
Unload Me
End SubPrivate Sub OPTCOM1_Click()
com_temp = 1
End SubPrivate Sub OPTCOM2_Click()
com_temp = 2
End SubPrivate Sub OPTCOM3_Click()
com_temp = 3
End SubPrivate Sub OPTCOM4_Click()
com_temp = 4
End SubPrivate Sub RETURN_Click()
Unload Me
End SubPrivate Sub Restore(ByVal X As Integer)Select Case X
Case 1
OPTCOM1.value = True
OPTCOM2.value = False
OPTCOM3.value = False
OPTCOM4.value = False
Case 2
OPTCOM1.value = False
OPTCOM2.value = True
OPTCOM3.value = False
OPTCOM4.value = False
Case 3
OPTCOM1.value = False
OPTCOM2.value = False
OPTCOM3.value = True
OPTCOM4.value = False
Case 4
OPTCOM1.value = False
OPTCOM2.value = False
OPTCOM3.value = False
OPTCOM4.value = True
End Select
End Sub