ezsample.frm

4338B毫欧表GPIB控制程4338B毫欧表GPIB控制程VisaComLiResourceManager4338B毫欧表GPIB控制程

VERSION 5.00
Begin VB.Form frmEZsample 
   Caption         =   "Agilent 4334B Sample"
   ClientHeight    =   6735
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   6255
   LinkTopic       =   "Form1"
   ScaleHeight     =   6735
   ScaleWidth      =   6255
   StartUpPosition =   3  '窗口缺省
   Begin VB.Frame Frame1 
      Caption         =   "Measurements"
      Height          =   3495
      Left            =   120
      TabIndex        =   8
      Top             =   3000
      Width           =   6015
      Begin VB.CommandButton cmdFetch 
         Caption         =   "Using Fetch?(获取数据)"
         Height          =   375
         Left            =   3360
         TabIndex        =   12
         Top             =   480
         Width           =   2535
      End
      Begin VB.TextBox txtReading 
         Height          =   375
         Left            =   240
         TabIndex        =   9
         TabStop         =   0   'False
         Top             =   480
         Width           =   3015
      End
      Begin VB.Label Label5 
         Alignment       =   2  'Center
         Caption         =   "Make sure there are signals at both counter inputs."
         BeginProperty Font 
            Name            =   "MS Sans Serif"
            Size            =   9.75
            Charset         =   0
            Weight          =   700
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   615
         Left            =   120
         TabIndex        =   14
         Top             =   2760
         Width           =   5775
      End
      Begin VB.Label Label4 
         Alignment       =   2  'Center
         Height          =   735
         Left            =   240
         TabIndex        =   13
         Top             =   1800
         Width           =   5535
      End
      Begin VB.Label Label3 
         Caption         =   "Reading 1"
         Height          =   375
         Left            =   240
         TabIndex        =   10
         Top             =   240
         Width           =   1335
      End
   End
   Begin VB.TextBox txtAddress 
      BackColor       =   &H8000000F&
      Enabled         =   0   'False
      Height          =   375
      Left            =   240
      Locked          =   -1  'True
      TabIndex        =   7
      Text            =   "GPIB::22"
      Top             =   480
      Width           =   3855
   End
   Begin VB.CommandButton cmdSetIO 
      Caption         =   "Set I/O"
      Height          =   375
      Left            =   4320
      TabIndex        =   0
      Top             =   480
      Width           =   1815
   End
   Begin VB.CommandButton cmdRevision 
      Caption         =   "Revision"
      Height          =   375
      Left            =   4320
      TabIndex        =   2
      Top             =   1920
      Width           =   1815
   End
   Begin VB.TextBox txtVersion 
      Height          =   375
      Left            =   240
      Locked          =   -1  'True
      TabIndex        =   5
      TabStop         =   0   'False
      Top             =   1920
      Width           =   3855
   End
   Begin VB.TextBox txtID 
      Height          =   375
      Left            =   240
      Locked          =   -1  'True
      TabIndex        =   3
      TabStop         =   0   'False
      Top             =   1200
      Width           =   3855
   End
   Begin VB.CommandButton CmdID 
      Caption         =   "Get ID string"
      Height          =   375
      Left            =   4320
      TabIndex        =   1
      Top             =   1200
      Width           =   1815
   End
   Begin VB.Label Label6 
      Caption         =   "Address"
      Height          =   375
      Left            =   240
      TabIndex        =   11
      Top             =   120
      Width           =   2415
   End
   Begin VB.Label Label2 
      Caption         =   "Revision"
      Height          =   255
      Left            =   240
      TabIndex        =   6
      Top             =   1680
      Width           =   2535
   End
   Begin VB.Label Label1 
      Caption         =   "ID string"
      Height          =   255
      Left            =   240
      TabIndex        =   4
      Top             =   960
      Width           =   1935
   End
End
Attribute VB_Name = "frmEZsample"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

Dim Cntr As VisaComLib.FormattedIO488





Private Sub cmdFetch_Click()

    Dim Frequency()   'As Double
    Dim Period As Double

    Cntr.WriteString ":Fetc?"    ' Ask for the frequency result
    
     Frequency = Cntr.ReadList
     txtReading = Frequency(1)

End Sub




Private Sub CmdID_Click()
    Dim result As String
    Dim IO_type As String

    Cntr.WriteString "*idn?"
    result = Cntr.ReadString

    txtID.Text = result

End Sub
Private Sub cmdRevision_Click()
    Dim result As String
    Cntr.WriteString ":Syst:Vers?"
    result = Cntr.ReadNumber
    txtVersion.Text = result
End Sub

Private Sub cmdSetIO_Click()
    Dim mgr As VisaComLib.ResourceManager
    Dim ioAddress As String
    On Error GoTo ioError

    ioAddress = txtAddress.Text
    ioAddress = InputBox("Enter the IO address of the Counter", "Set IO address", ioAddress)

    If Len(ioAddress) > 6 Then
        txtAddress.Text = ioAddress
        Set mgr = New VisaComLib.ResourceManager
        Set Cntr = New VisaComLib.FormattedIO488
        Set Cntr.IO = mgr.Open(ioAddress)
        txtAddress.Text = ioAddress
    End If

    Exit Sub
ioError:
    MsgBox "Set IO error:" & vbCrLf & Err.Description
End Sub

Private Sub Form_Load()
    cmdSetIO_Click
End Sub