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PJM_labview

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Posts posted by PJM_labview

  1. The LabVIEW search dialog *appear* to slow down over time and when searching inside classes.

    I just did a search on a project that had a lot of VIs (clones included) in memory. The first few 1000s VIs/Clones went very fast, but around 4000s, things start to degrade pretty quickly.

    post-121-1197583884.png?width=400

    The entire search has been going for over an hour now (but it is close to the end).

    Is this a know issue (this slowdown)?

    PJM

  2. Tomi,

    I have used this VI buffer technique in the past several time (basicaly reading the VI as a text file and saving the end result as default in a string control). I don't understand why you say that LabVIEW will not recompile this VI. As soon you "extract" this VI to disk, it becomes like any other VI. I guess I don't quite understand your use case scenario.

    Note: I have seen the scripting buffer function and while I never had to try them, I always though that the App:Open.VI from Buffer method was the equivalent of extracting the VI to a temp location and them opening a ref to it.

    PJM

  3. Ok, I will report it later today. Unfortunately I did not kept the corrupted VI (I just revert to my last known good copy in my source control). I will be working on that same class today, so I may very likely get that issue again. As to attached everything, I don't think this is going to happen. This class alone load 3600 VIs in memory.

    Another issue (might be related). While editing this VI, LabVIEW periodically freeze with the hour glass cursor (it *seem* to be verifying the hierarchy) for about a min. Most of the time this is not critical (no crash), but every so often it crash. I might be getting these compiler error just when I am attempting to do an edit and LabVIEW start to hang up (this is just a though).

    PJM

  4. What are these things? I keep getting them quite often now (twice so far today). Typically happens when I try to close (or save) a VI belonging to a class.

    Also, they come in a group of 5-15 differents dialogs, and after that LabVIEW NEED to be closed (weird stuff happening otherwize).

    post-121-1196910325.png?width=400

    Edit: This is on LabVIEW 8.5

    Note: In some instances, after these errors, some VIs becomes corrupt and are no longer compilable (see image below).

    post-121-1196910939.png?width=400

    PJM

  5. QUOTE(jdunham @ Nov 29 2007, 12:40 AM)

    We have a big project and none of our builds worked when we tried to use our 8.2 lvproj files. They just failed with errors with blank error descriptions. Everything was fine when we started from scratch (after a couple of wasted days and some tech support). The lvproj 8.2 -> 8.5 upgrade seems to be just hopelessly broken. :headbang:

    I had a similar problem a while back.

    I could build just fine, but the build spec became uneditable (every changes I made broke the build).

    Recreating the project fixed it.

    PJM

  6. QUOTE(Val Brown @ Nov 15 2007, 12:48 AM)

    Was this in LV8.5? If so then, yes, I believe I have seen some similar corruption but in my case LV complained about he BD being corrupt and unable to be loaded -- even when it was!

    I don't remember for sure, but probably in 8.2.1 (but it could have been in 8.5 too). I did not had any corruption. Restarting LV fixed it.

    PJM

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