form2.frm

USB2.0原理与工程开发光盘(第二版)

VERSION 5.00
Begin VB.Form Form2 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "串口设置"
   ClientHeight    =   1455
   ClientLeft      =   4515
   ClientTop       =   3420
   ClientWidth     =   3315
   Icon            =   "Form2.frx":0000
   LinkTopic       =   "Form2"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   1455
   ScaleWidth      =   3315
   Begin VB.CommandButton Command1 
      Caption         =   "关    闭"
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   9.75
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   1860
      TabIndex        =   5
      Top             =   900
      Width           =   1095
   End
   Begin VB.ComboBox Combo1 
      Height          =   315
      Left            =   1740
      TabIndex        =   3
      Top             =   420
      Width           =   1335
   End
   Begin VB.Frame Frame1 
      Caption         =   "串口选择"
      Height          =   1035
      Left            =   180
      TabIndex        =   0
      Top             =   180
      Width           =   1275
      Begin VB.OptionButton Option1 
         Caption         =   "Com1"
         Height          =   375
         Left            =   240
         TabIndex        =   2
         Top             =   240
         Width           =   855
      End
      Begin VB.OptionButton Option2 
         Caption         =   "Com2"
         Height          =   255
         Left            =   240
         TabIndex        =   1
         Top             =   660
         Width           =   855
      End
   End
   Begin VB.Label Label4 
      Caption         =   "波特率选择"
      Height          =   255
      Left            =   1860
      TabIndex        =   4
      Top             =   180
      Width           =   1095
   End
End
Attribute VB_Name = "Form2"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Combo1_Click()
    Select Case Combo1.ListIndex
    Case 0
        Form1.MSComm1.Settings = "9600,N,8,1"
        Com1Txt = "default"
    Case 1
        Form1.MSComm1.Settings = "2400,N,8,1"
        Com1Txt = "2400"
    Case 2
        Form1.MSComm1.Settings = "4800,N,8,1"
        Com1Txt = "4800"
    Case 3
        Form1.MSComm1.Settings = "9600,N,8,1"
        Com1Txt = "9600"
    Case 4
        Form1.MSComm1.Settings = "19200,N,8,1"
        Com1Txt = "19200"
    Case 5
        Form1.MSComm1.Settings = "38400,N,8,1"
        Com1Txt = "38400"
    Case 6
        Form1.MSComm1.Settings = "57600,N,8,1"
        Com1Txt = "57600"
    End Select
End Sub

Private Sub Command1_Click()
    Unload Form2
End Sub

Private Sub Form_Load()
    Combo1.AddItem "default"
    Combo1.AddItem "2400"
    Combo1.AddItem "4800"
    Combo1.AddItem "9600"
    Combo1.AddItem "19200"
    Combo1.AddItem "38400"
    Combo1.AddItem "57600"
    
    Option1.Value = Com1Sel
    Option2.Value = Not Com1Sel
    Combo1.Text = Com1Txt
End Sub

Private Sub Option1_Click()
    Com1Sel = True
    
    Form1.MSComm1.PortOpen = False
    Form1.MSComm1.CommPort = 1
    Form1.MSComm1.PortOpen = True
End Sub

Private Sub Option2_Click()
    Com1Sel = False
    
    Form1.MSComm1.PortOpen = False
    Form1.MSComm1.CommPort = 2
    Form1.MSComm1.PortOpen = True
End Sub