 how to capture the screen image? |
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  Oct 6 2004, 06:24 PM
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Active  Member Posts: 10 Joined: 6-October 04 Member No.: 756 LV:7.0  |
hello everybody:
I have a question about capture screen image in LabVIEW 7.0. What vi is can be used to implement this function?? Sincerely 
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Oct 6 2004, 06:24 PM
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Oct 7 2004, 05:36 AM
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 More Active Member Posts: 37 Joined: 22-September 04 From: Taipei,Taiwan Member No.: 705 LV:7.0 
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QUOTE (cls9215 @ Oct 7 2004, 02:24 AM) hello everybody: I have a question about capture screen image in LabVIEW 7.0. What vi is can be used to implement this function?? Sincerely  I have attached a VI(Saved in LabVIEW 7.0) in this topic. This attachment code can help you capture and paste screen image on front panel. Holp this can help you.. 
Capture_Screen.llb ( 47.57K )
Number of downloads: 488This post has been edited by Jimmy-Chen: Oct 7 2004, 05:44 AM -------------------- Best Regards
Jimmy Chen
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Sep 29 2008, 10:57 PM
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 Very Active Member Posts: 69 Joined: 12-June 08 From: Sydney Member No.: 11757 Using LabVIEW Since:2006 LV:8.5.1 ,8.2.1 ,7.1 
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You can use the Invoke note to get the control/indicator image, also the whole front panel img if you want.
-------------------- Minh Pham <><><>Stop Writing...Start Wiring<><><>
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Oct 11 2008, 04:42 PM
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#4
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Active Member Posts: 15 Joined: 12-October 05 Member No.: 3209 Using LabVIEW Since:1997 LV:8.20 ,8.0 ,7.1 
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QUOTE (cls9215 @ Oct 6 2004, 08:24 PM) hello everybody: I have a question about capture screen image in LabVIEW 7.0. What vi is can be used to implement this function?? Sincerely I attach a VI that I use to programmatically update the snapshot of a computer's desktop in a webpage  To run this VI you need the clipbrd.llb library. The VI uses a call to Win32 API function "keybd_event" in user32.dll, therefore it only works under Win32. The "invoke node" method suggested before should be platform independent but does not provide the entire screen. Note: the enumerator used to select the "print screen" key includes many other (probably all) possible values to call the "keybd_event" function (I found it somewhere but I don't remember where, I apologize with the author for the lack of credits  )I use LabVIEW 8.2 and I can down-convert the file only to 8.0. I hope you can find a way to convert it down to LabVIEW 7.0 (volunteers?) Have fun  G
Attached File(s)
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