-=

详细介绍Ｍ８两版间通讯

VERSION 5.00
Object = "{648A5603-2C6E-101B-82B6-000000000014}#1.1#0"; "Mscomm32.ocx"
Begin VB.Form MultimeterCtrol 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "万用表设置"
   ClientHeight    =   1635
   ClientLeft      =   6330
   ClientTop       =   3270
   ClientWidth     =   3120
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   1635
   ScaleWidth      =   3120
   Begin VB.TextBox Text1 
      Height          =   270
      Left            =   2520
      TabIndex        =   8
      Text            =   "1"
      Top             =   1260
      Width           =   495
   End
   Begin VB.CommandButton Command3 
      Caption         =   "读取数据"
      Height          =   375
      Left            =   1560
      TabIndex        =   7
      Top             =   840
      Width           =   1455
   End
   Begin VB.CheckBox Check1 
      Caption         =   "计算机程控"
      Height          =   255
      Left            =   240
      TabIndex        =   6
      Top             =   1290
      Width           =   1215
   End
   Begin VB.Frame Frame1 
      Caption         =   "功能选择"
      Height          =   1095
      Left            =   120
      TabIndex        =   2
      Top             =   120
      Width           =   1335
      Begin VB.OptionButton Option1 
         Caption         =   "电阻测量"
         Height          =   255
         Index           =   2
         Left            =   120
         TabIndex        =   5
         Top             =   720
         Width           =   1095
      End
      Begin VB.OptionButton Option1 
         Caption         =   "电流测量"
         Height          =   255
         Index           =   1
         Left            =   120
         TabIndex        =   4
         Top             =   480
         Width           =   1095
      End
      Begin VB.OptionButton Option1 
         Caption         =   "电压测量"
         Height          =   255
         Index           =   0
         Left            =   120
         TabIndex        =   3
         Top             =   240
         Width           =   1095
      End
   End
   Begin VB.CommandButton Command2 
      Caption         =   "清除错误"
      Height          =   375
      Left            =   1560
      TabIndex        =   1
      Top             =   480
      Width           =   1455
   End
   Begin VB.CommandButton Command1 
      Caption         =   "连通测试"
      Height          =   375
      Left            =   1560
      TabIndex        =   0
      Top             =   120
      Width           =   1455
   End
   Begin MSCommLib.MSComm MSComm1 
      Left            =   2040
      Top             =   1800
      _ExtentX        =   1005
      _ExtentY        =   1005
      _Version        =   393216
      CommPort        =   2
      DTREnable       =   -1  'True
   End
   Begin VB.Label Label1 
      Caption         =   "测量采样数"
      Height          =   255
      Left            =   1560
      TabIndex        =   9
      Top             =   1320
      Width           =   975
   End
End
Attribute VB_Name = "MultimeterCtrol"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
'Public 万用表 As MultiMeter34401A

Private Sub Check1_Click()
Select Case Check1.Value
  Case Checked
  万用表.远程控制 = True
  Case Unchecked
  万用表.远程控制 = False
End Select
End Sub

Private Sub Command1_Click()
Dim strTemp As String
strTemp = 万用表.设备ID
If Not strTemp = "" Then
  strTemp = "设备" & vbCrLf & _
          strTemp & vbCrLf & _
          "正常连接"
  Else
  strTemp = "万用表连接失败" & vbCrLf & "请检查Com1连接是否正确连接到万用表上"
End If
MsgBox strTemp, vbInformation, "万用表连接状况"
End Sub

Private Sub Command2_Click()
MsgBox 万用表.故障清除, , "万用表故障信息"
End Sub

Private Sub Command3_Click()
Dim sngTemp As Single
sngTemp = 万用表.读取测试数据
MsgBox sngTemp, vbInformation, "测试数据"
End Sub

Private Sub Form_Load()
Set 万用表 = New MultiMeter34401A
Set 万用表.端口 = MSComm1
Option1(0).Value = True
Check1.Value = Checked
End Sub

Private Sub Form_Unload(Cancel As Integer)
Check1.Value = Unchecked
Set 万用表 = Nothing
End Sub

Private Sub Option1_Click(Index As Integer)
万用表.测试类型 = Index + 1
万用表.采样数 = 1
Text1.Text = 1
End Sub

Private Sub Text1_KeyPress(KeyAscii As Integer)
Select Case KeyAscii
Case 13
  设置采样数
  Command3.SetFocus
End Select
End Sub

Private Sub Text1_LostFocus()
设置采样数
End Sub
Private Sub 设置采样数()
Dim intTemp As Integer
On Error GoTo errLine:
With Text1
  intTemp = CInt(.Text)
End With
万用表.采样数 = intTemp
Exit Sub
errLine:
Select Case Err.Number
  Case 13
  Text1.Text = "错误!"
End Select
End Sub