Agilent Technologies Infiniium 90000 Q-Series, Руководство программиста

Страница: 1090 / 1186

1090 Agilent Infiniium 90000 Series Oscilloscopes Programmer's Reference
38
Sample Programs
{
StringBuilder strError = new StringBuilder(256);
visa32.viStatusDesc(this.m_nResourceManager, nViStatus,
strError);
throw new ApplicationException(strError.ToString());
}
}
public void Close()
{
if (m_nSession != 0)
visa32.viClose(m_nSession);
if (m_nResourceManager != 0)
visa32.viClose(m_nResourceManager);
}
}
}
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
"Infiniium.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.