How to read data after using the PRINT function in visual basic

I know the benchlink can capture the spectrum analyzer screen for me, but I want to integrate it into my application. I use NI spy to detect the communications from the benchlink and put it into my application. After sending the "PRINT 0" command, my "ilrd SpectrumAnalyzer, temp, 500" command doesn't work, giving me EARG error. Does anyone knows if it is because I can not define the temp to be string or some other problem?
b.t.w, the communications I get from NI Spy actually read some unknown characters from the instrument, what kind of data it is? Any idea how to use it?
thanks.

Hello elm,
This is completely dependent on your instrument; if you are getting the data then you are halfway there. Look in your instrument's programmer's reference manual to see if they mention how the picture is encoded in bytes. There are so many different ways to encode a picture in binary that speculating and guessing would probably never yield the true result. If there is no mention in the manual, contact the instrument manufacturer.
Sorry I could not be of more help.
Scott B.
Applications Engineer
National Instruments

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Hi Prashant,
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In this post you have, except for the issue noted by Badunit, the basis for the discount table described by Wayne:
I'm trying to devise a way of knowing what Cash Card a customer will receive depending on the amount of the purchase, based on the following table:
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$500         to $999 purchase         =      $50 Cash Card
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B2: =LOOKUP(B1,CC Amt :: A,CC Amt :: B)
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Frank,
[snip]
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[snip]
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'the new .NET manual is online now:
' - go to https://google.com
' - type 'msdn [keyword]' (i.e: 'msdn list')
' - the first result is almost what is desired
' - if not enough information is given that is what the forumns are for!
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Create a new Windows Form project and paste this, press play.
Enjoy.
EDIT:
If you post blocks of code here, I will personally convert it to .NET, although I highly recommend a creating new project when converting from VB6. If you post your entire project and it's not too big I will convert the entire thing (any complex concepts
will have to have provided comments).
If your project is not secure or personal you can copy it to your online cloud OneDrive and I can download the whole thing from there - let me know.

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How to read data after using the PRINT function in visual basic

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