Agilent Technologies InfiniiVision 3000 X-Series, Руководство программиста

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Programming Examples
39
Agilent InfiniiVision 3000 X-Series Oscilloscopes Programmer's Guide 1161
VISA Example in Visual Basic .NET
To compile and run this example in Microsoft Visual Studio 2008:
1 Open Visual Studio.
2 Create a new Visual Basic, Windows, Console Application project.
3 Cut- and- paste the code that follows into the Visual Basic .NET source
file.
4
Edit the program to use the VISA address of your oscilloscope.
5
Add Agilent's VISA header file to your project:
a
Right- click the project you wish to modify (not the solution) in the
Solution Explorer window of the Microsoft Visual Studio
environment.
b
Choose Add and then choose Add Existing Item...
c
Navigate to the header file, visa32.vb (installed with Agilent IO
Libraries Suite and found in the Program Files\IVI Foundation\VISA\
WinNT\include directory), select it, but
do not click the Open
button .
d Click the down arrow to the right of the
Add
button, and choose
Add
as Link .
You should now see the file underneath your project in the Solution
Explorer. It will have a little arrow icon in its lower left corner,
indicating that it is a link.
e Right- click the project again and choose
Properties
; then, select
"InfiniiVision.VisaInstrumentApp" as the Startup object .
6
Build and run the program.
For more information, see the tutorial on using VISA in Microsoft .NET in
the VISA Help that comes with Agilent IO Libraries Suite 15.
'
' Agilent VISA Example in Visual Basic .NET
' -------------------------------------------------------------------
' This program illustrates a few commonly-used programming
' features of your Agilent oscilloscope.
' -------------------------------------------------------------------
Imports System
Imports System.IO
Imports System.Text
Namespace InfiniiVision
Class VisaInstrumentApp
Private Shared myScope As VisaInstrument
Public Shared Sub Main(ByVal args As String())
Try
myScope = _