1338 Keysight InfiniiVision 3000T X-Series Oscilloscopes Programmer's Guide
42 Programming Examples
MsgBox "*** VISA Error : " + strVisaErr, vbExclamation
' If the error is not a warning, close the session.
If err < VI_SUCCESS Then
If session <> 0 Then Call viClose(session)
End
End If
End Sub
VISA Example in C#
To compile and run this example in Microsoft Visual Studio 2008:
1 Open Visual Studio.
2 Create a new Visual C#, Windows, Console Application project.
3 Cut-and-paste the code that follows into the C# source file.
4 Edit the program to use the VISA address of your oscilloscope.
5 Add Keysight'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 Click Add and then click Add Existing Item...
c Navigate to the header file, visa32.cs (installed with Keysight IO Libraries
Suite and found in the Program Files\IVI Foundation\VISA\Win64\agvisa\
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.
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 Keysight IO Libraries Suite 16.
/*
* Keysight VISA Example in C#
* -------------------------------------------------------------------
* This program illustrates a few commonly used programming
* features of your Keysight oscilloscope.
* -------------------------------------------------------------------
*/
using System;
using System.IO;
using System.Text;
namespace InfiniiVision
{
class VisaInstrumentApp
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