Agilent Technologies InfiniiVision 7000A Series, Programmer'S Manual

Page: 812 / 922

812 Agilent InfiniiVision 7000A Series Oscilloscopes Programmer's Guide
12
Programming Examples
VISA COM Examples
• "VISA COM Example in Visual Basic" on page 812
• "VISA COM Example in C#" on page 822
• "VISA COM Example in Visual Basic .NET" on page 834
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.