744 Agilent InfiniiVision 5000 Series Oscilloscopes Programmer's Guide
12 Programming Examples
VISA COM Examples
• "VISA COM Example in Visual Basic" on page 744
• "VISA COM Example in C#" on page 754
• "VISA COM Example in Visual Basic .NET" on page 765
VISA COM Example in Visual Basic
To run this example in Visual Basic for Applications (VBA):
1 Start the application that provides Visual Basic for Applications (for
example, Microsoft Excel).
2 Press ALT+F11 to launch the Visual Basic editor.
3 Reference the Agilent VISA COM library:
a Choose Tools>References... from the main menu.
b In the References dialog, check the "VISA COM 3.0 Type Library".
c Click OK.
4 Choose Insert>Module.
5 Cut- and- paste the code that follows into the editor.
6 Edit the program to use the VISA address of your oscilloscope, and save
the changes.
7 Run the program.
'
' Agilent VISA COM Example in Visual Basic
' -------------------------------------------------------------------
' This program illustrates most of the commonly used programming
' features of your Agilent oscilloscopes.
' -------------------------------------------------------------------
Option Explicit
Public myMgr As VisaComLib.ResourceManager
Public myScope As VisaComLib.FormattedIO488
Public varQueryResult As Variant
Public strQueryResult As String
'
' MAIN PROGRAM
' -------------------------------------------------------------------
' This example shows the fundamental parts of a program (initialize,
' capture, analyze).
'
' The commands sent to the oscilloscope are written in both long and
' short form. Both forms are acceptable.
'
' The input signal is the probe compensation signal from the front
' panel of the oscilloscope connected to channel 1.
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