frmsetting.frm

这是一个简单的串口通信程序,可以实现简单的发送和接受功能,源程序来自网络~

VERSION 5.00
Begin VB.Form frmSetting 
   Caption         =   "参数设定"
   ClientHeight    =   4800
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4575
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   ScaleHeight     =   4800
   ScaleWidth      =   4575
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton Command2 
      Caption         =   "退出"
      Height          =   375
      Left            =   3120
      TabIndex        =   13
      Top             =   4320
      Width           =   1335
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确定"
      Height          =   375
      Left            =   120
      TabIndex        =   12
      Top             =   4320
      Width           =   1335
   End
   Begin VB.Frame Frame1 
      Caption         =   "参数内容"
      Height          =   3975
      Left            =   120
      TabIndex        =   0
      Top             =   120
      Width           =   4335
      Begin VB.TextBox txtEnd 
         Height          =   300
         Left            =   2040
         TabIndex        =   14
         Top             =   3360
         Width           =   1935
      End
      Begin VB.ComboBox Combo5 
         Height          =   300
         Left            =   2040
         Style           =   2  'Dropdown List
         TabIndex        =   5
         Top             =   2760
         Width           =   1935
      End
      Begin VB.ComboBox Combo4 
         Height          =   300
         Left            =   2040
         Style           =   2  'Dropdown List
         TabIndex        =   4
         Top             =   2160
         Width           =   1935
      End
      Begin VB.ComboBox Combo3 
         Height          =   300
         Left            =   2040
         Style           =   2  'Dropdown List
         TabIndex        =   3
         Top             =   1560
         Width           =   1935
      End
      Begin VB.ComboBox Combo2 
         Height          =   300
         Left            =   2040
         Style           =   2  'Dropdown List
         TabIndex        =   2
         Top             =   960
         Width           =   1935
      End
      Begin VB.ComboBox Combo1 
         Height          =   300
         Left            =   2040
         Style           =   2  'Dropdown List
         TabIndex        =   1
         Top             =   360
         Width           =   1935
      End
      Begin VB.Label Label8 
         Caption         =   "结束字符(16进制):"
         Height          =   255
         Left            =   360
         TabIndex        =   11
         Top             =   3480
         Width           =   1575
      End
      Begin VB.Label Label7 
         Caption         =   "停止位:"
         Height          =   255
         Left            =   360
         TabIndex        =   10
         Top             =   2880
         Width           =   1215
      End
      Begin VB.Label Label5 
         Caption         =   "数据位:"
         Height          =   255
         Left            =   360
         TabIndex        =   9
         Top             =   2280
         Width           =   1215
      End
      Begin VB.Label Label3 
         Caption         =   "奇偶校验:"
         Height          =   255
         Left            =   360
         TabIndex        =   8
         Top             =   1680
         Width           =   1215
      End
      Begin VB.Label Label2 
         Caption         =   "波特率:"
         Height          =   255
         Left            =   360
         TabIndex        =   7
         Top             =   1080
         Width           =   1335
      End
      Begin VB.Label Label1 
         Caption         =   "所用串囗:"
         Height          =   255
         Left            =   360
         TabIndex        =   6
         Top             =   480
         Width           =   1335
      End
   End
End
Attribute VB_Name = "frmSetting"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
    On Error GoTo settingerr
    If txtEnd.Text = "" Then
        MsgBox "内容不完整!", vbOKOnly, "警告"
        If txtEnd.Text = "" Then
            txtEnd.SetFocus
        End If
        'If txtTime.Text = "" Then
        '    txtTime.SetFocus
        'End If
        Exit Sub
    End If
    
    intPort = CInt(Trim(Combo1.Text))
    strSet = Trim(Combo2.Text) & "," & Left(Trim(Combo3.Text), 1) & "," & Trim(Combo4.Text) & "," & Trim(Combo5.Text)
    'intTime = CInt(Trim(txtTime.Text))
    strEnd = Trim(txtEnd.Text)
    'MsgBox intPort & strSet & intTime & strEnd
    If Not frmMain.MSComm.PortOpen Then
        frmMain.MSComm.CommPort = intPort
        frmMain.MSComm.Settings = strSet
        frmMain.MSComm.PortOpen = True
    End If
    Me.Hide
    Unload Me
    Exit Sub
settingerr:
    intPort = 1
    strSet = "9600,N,8,1"
    Me.Hide
    Unload Me
End Sub

Private Sub Command2_Click()
    Me.Hide
    Unload Me
End Sub

Private Sub Form_Load()
    Combo1.AddItem "1"
    Combo1.AddItem "2"
    Combo1.AddItem "3"
    Combo1.AddItem "4"
    Combo1.Text = "1"
    Combo2.AddItem "110"
    Combo2.AddItem "300"
    Combo2.AddItem "600"
    Combo2.AddItem "1200"
    Combo2.AddItem "2400"
    Combo2.AddItem "9600"
    Combo2.AddItem "14400"
    Combo2.AddItem "19200"
    Combo2.Text = "9600"
    Combo3.AddItem "E(奇校验)"
    Combo3.AddItem "O(偶校验)"
    Combo3.AddItem "N(不校验)"
    Combo3.Text = "N(不校验)"
    Combo4.AddItem "4"
    Combo4.AddItem "5"
    Combo4.AddItem "6"
    Combo4.AddItem "7"
    Combo4.AddItem "8"
    Combo4.Text = "8"
    Combo5.AddItem "1"
    Combo5.AddItem "1.5"
    Combo5.AddItem "2"
    Combo5.Text = "1"
    txtEnd.Text = "1a"
End Sub

Private Sub Form_Unload(Cancel As Integer)
    Command2_Click
End Sub