frmsettings.frm

rs232通信调试

VERSION 5.00
Begin VB.Form frmSettings 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "通讯参数设置"
   ClientHeight    =   3270
   ClientLeft      =   2760
   ClientTop       =   3750
   ClientWidth     =   6090
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   3270
   ScaleWidth      =   6090
   ShowInTaskbar   =   0   'False
   Begin VB.CheckBox checkDtr 
      Caption         =   "DTR有效"
      Height          =   315
      Left            =   3375
      TabIndex        =   15
      Top             =   2190
      Width           =   1455
   End
   Begin VB.TextBox txtReplaceChar 
      Appearance      =   0  'Flat
      Height          =   315
      Left            =   1965
      MaxLength       =   1
      TabIndex        =   14
      Text            =   "?"
      Top             =   2190
      Width           =   900
   End
   Begin VB.TextBox txtLineInfo 
      BackColor       =   &H00FFFFFF&
      BorderStyle     =   0  'None
      Height          =   1800
      Left            =   3210
      MultiLine       =   -1  'True
      TabIndex        =   12
      Text            =   "frmSettings.frx":0000
      Top             =   165
      Width           =   2670
   End
   Begin VB.TextBox txtInputLen 
      Appearance      =   0  'Flat
      Height          =   315
      Left            =   1965
      TabIndex        =   11
      Text            =   "txtInputLen"
      Top             =   1800
      Width           =   900
   End
   Begin VB.TextBox txtRT 
      Appearance      =   0  'Flat
      Height          =   315
      Left            =   1965
      TabIndex        =   10
      Text            =   "txtRT"
      Top             =   1383
      Width           =   900
   End
   Begin VB.TextBox txtST 
      Appearance      =   0  'Flat
      Height          =   315
      Left            =   1965
      TabIndex        =   9
      Text            =   "txtST"
      Top             =   967
      Width           =   900
   End
   Begin VB.TextBox txtOutBuffSize 
      Appearance      =   0  'Flat
      Height          =   315
      Left            =   1965
      TabIndex        =   8
      Text            =   "txtOutBuffSize"
      Top             =   551
      Width           =   900
   End
   Begin VB.TextBox txtInBuffSize 
      Appearance      =   0  'Flat
      Height          =   315
      Left            =   1965
      TabIndex        =   3
      Text            =   "txtInBSizeuff"
      Top             =   135
      Width           =   900
   End
   Begin VB.CommandButton CancelButton 
      Caption         =   "取消"
      Height          =   375
      Left            =   3240
      TabIndex        =   1
      Top             =   2775
      Width           =   1215
   End
   Begin VB.CommandButton OKButton 
      Caption         =   "确定"
      Height          =   375
      Left            =   1680
      TabIndex        =   0
      Top             =   2775
      Width           =   1215
   End
   Begin VB.Label Label6 
      Caption         =   "校验错替代字符："
      Height          =   300
      Left            =   195
      TabIndex        =   13
      Top             =   2205
      Width           =   1740
   End
   Begin VB.Label Label5 
      Caption         =   "输入长度："
      Height          =   285
      Left            =   180
      TabIndex        =   7
      Top             =   1815
      Width           =   1680
   End
   Begin VB.Label Label4 
      Caption         =   "R阀值："
      Height          =   285
      Left            =   210
      TabIndex        =   6
      Top             =   1413
      Width           =   1680
   End
   Begin VB.Label Label3 
      Caption         =   "S阀值："
      Height          =   285
      Left            =   210
      TabIndex        =   5
      Top             =   1012
      Width           =   1680
   End
   Begin VB.Label Label2 
      Caption         =   "输出缓冲区大小："
      Height          =   285
      Left            =   210
      TabIndex        =   4
      Top             =   611
      Width           =   1680
   End
   Begin VB.Label label1 
      Caption         =   "输入缓冲区大小："
      Height          =   285
      Left            =   210
      TabIndex        =   2
      Top             =   210
      Width           =   1680
   End
End
Attribute VB_Name = "frmSettings"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

Private Sub CancelButton_Click()
Unload Me
End Sub

Private Sub Form_Load()
'根据MSComm 控件的通讯的属性初始化窗体中各个控件的初始值
'输入缓冲区的大小
txtInBuffSize.Text = frmTerminal.MSComm1.InBufferSize
'输出缓冲区的大小
txtOutBuffSize.Text = frmTerminal.MSComm1.OutBufferSize
'R阀值
txtRT.Text = frmTerminal.MSComm1.RThreshold
'S阀值
txtST.Text = frmTerminal.MSComm1.SThreshold
'Input 属性从接收缓冲区读取的字符数。
txtInputLen.Text = frmTerminal.MSComm1.InputLen
'校验错替代字符
txtReplaceChar.Text = frmTerminal.MSComm1.ParityReplace
'DTR是否有效
checkDtr.Value = Abs(frmTerminal.MSComm1.DTREnable)
'MSComm控件的其他信息
txtLineInfo.Text = ""
If frmTerminal.MSComm1.DSRHolding Then
    txtLineInfo.Text = txtLineInfo.Text + " DSRHolding:  TRUE" + Chr$(13) + Chr(10)
Else
    txtLineInfo.Text = txtLineInfo.Text + " DSRHolding:  FALSE" + Chr$(13) + Chr(10)
End If
If frmTerminal.MSComm1.CTSHolding Then
    txtLineInfo.Text = txtLineInfo.Text + " CTSHolding:  TRUE" + Chr$(13) + Chr(10)
Else
    txtLineInfo.Text = txtLineInfo.Text + " CTSHolding:  FALSE" + Chr$(13) + Chr(10)
End If
If frmTerminal.MSComm1.CDHolding Then
    txtLineInfo.Text = txtLineInfo.Text + " CDHolding:  TRUE" + Chr$(13) + Chr(10)
Else
    txtLineInfo.Text = txtLineInfo.Text + " CDHolding:  FALSE" + Chr$(13) + Chr(10)
End If
End Sub

Private Sub OKButton_Click()
On Error Resume Next
'根据窗体中确定的各参数值设置控件MSComm控件的通讯参数
If Len(txtInBuffSize.Text) Then
    frmTerminal.MSComm1.InBufferSize = Val(txtInBuffSize.Text)
    If Err Then MsgBox Error$, 48
End If
If Len(txtOutBuffSize.Text) Then
    frmTerminal.MSComm1.OutBufferSize = Val(txtOutBuffSize.Text)
    If Err Then MsgBox Error$, 48
End If
If Len(txtRT.Text) Then
         frmTerminal.MSComm1.RThreshold = Val(txtRT.Text)
         If Err Then MsgBox Error$, 48
End If
If Len(txtST.Text) Then
         frmTerminal.MSComm1.SThreshold = Val(txtST.Text)
         If Err Then MsgBox Error$, 48
End If
If Len(txtReplaceChar.Text) Then
    frmTerminal.MSComm1.ParityReplace = txtReplaceChar.Text
Else
    frmTerminal.MSComm1.ParityReplace = "?"
End If
If Len(txtInputLen.Text) Then
    frmTerminal.MSComm1.InputLen = Val(txtInputLen.Text)
    If Err Then MsgBox Error$, 48
End If
 frmTerminal.MSComm1.DTREnable = checkDtr.Value
Unload Me
End Sub