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Can i make an automatic Print screen in labview ?????

Hi

here are the Screenshot vi´s for all who need them for LV80.

Mike



Message Edited by MikeS81 on 04-01-2008 08:47 AM
Message 21 of 45
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thanks for the file, after extracting the zip file

i have 4 folders,

clipboard

kernell - 32 dll

screenshot

user - 32 dll

should i copy all these into D:\Program Files\National Instruments\LabVIEW 8.5\user.lib, my os is xp prof.

and in the attached file, my installed software can be seen, are these enough for image processing functions, or should i install new tool boxes like in matlab,

Always thankful for your patience and kindness.

hldn

 

 

 

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Message 22 of 45
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Hi hldn,

after extracting the zip file you can open the vi in the screenshot folder and use it. The only thing you have to attend is to be sure that all pathes to the dll are correct.

Mike

Message 23 of 45
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thanks but i got the attached error message,
 
0] how will i check that all the pathes to the dll correct,
 
0] will i edit these pathes, or move the files to that folders,
 
where can i find a brief explanation for this, and since i am very new in labview some more questions
 
1] i have found one more application for viewing analog sound by labview using the on board sound card waveio042.zip
 
my question is it possible to view the video signal like this by the help of tv card or graphics adaptor of the pc ?
 
2] if not i will try to use screenshot and image processing, the question is
 
how can i make this two codes , one for audio and  video , run one after another,
 
and also will i need extra sw for image processing by labview
 
best regards
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Message 24 of 45
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Excellent work indeed, Mike! Smiley Happy
- Partha ( CLD until Oct 2024 🙂 )
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Message 25 of 45
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Mike,

here is Johnny.

For my homework I have used your program "screenshot.vi", too. It works very well.

Can you maybe explain me, how works this program? I have seen, your programm call many windows-libraries, but I don't unterstand that very well?!

Maybe can you explain me this program step for step?


How lang have you already used LabVIEW? You are really an expert here! And I beginn to work with LabVIEW only for 3 weeks, I couldn't understand the flow of data so good.

Please forgive me with my so many questions, I hope I do not have annoyed you.
But it is very important for my homework, only in 3 weeks I must finish it. If you have time, please give me an example for the test protocol, too. Thank you very very much!

regarts,

Johnny
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Message 26 of 45
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Mike,

here is Johnny.

For my homework I have used your program "screenshot.vi", too. It works very well.

Can you maybe explain me shortly, how works this program? I have seen, your programm call many windows-libraries, but I don't unterstand that very well, maybe can you explain me this program?

How lang have you already used LabVIEW? You are really an expert here! And I beginn to work with LabVIEW only for 3 weeks, I couldn't understand the flow of data so good.

Please forgive me with my so many questions, I hope I do not have annoyed you.
But it is very important for my homework, only in 3 weeks I must finish it. If you have time, please give me an example for the test protocol, too. Thank you very very much!

regarts,
Johnny
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Message 27 of 45
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Hi Johnny,
a have read your post, i work on it.
Mike
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Message 28 of 45
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Hey, Mike,

Thank you very much, I wait for your reply, this Test Report for me is really difficult for me, I hope you can help me, thanks a lot.


Regarts,
Johnny
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Message 29 of 45
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Hi Johnny,
with the first part you can select from which window you want the screenshot. In the example it is the vi. The for loop emulates the key combination to make a screenshot. Either "Alt" + "print" for the specified window, "ctrl" + "print" for the entire screen. The  clipboard vi read the image from the clipboard so that it can be saved, for example as bmp.
 
Hope it helps.
Mike
Message 30 of 45
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