Vb Net Update Progress Bar Backgroundworker Busy

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  2. Vb Progress Bar Example
  3. Vb Net Update Progress Bar Backgroundworker Busy Philipps
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  5. Vb Backgroundworker Example
  6. Update Progress Bar From Backgroundworker
Active6 years, 8 months ago

Get YouTube without the ads. No thanks 3 months free. Find out why Close. VB NET How to Use BackgroundWorker & ProgressBar Thread Sleep. Programming in Visual Basic.Net How to. Vb Net Update Progress Bar Backgroundworker Threading. 1/4/2018 0 Comments. We work with BackgroundWorker class and update a progress bar and percentage while si. BackgroundWorker and ProgressBar demo. // Back on the 'UI' thread so we can update the progress bar void. Please take your VB.NET out of our nice.

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I am confused. Yes i understand I can't use the same backgroundworker to do two tasks at the same time. What I do not understand is this. Here is my code (all this thing does is set the marqueeanimationspeed of a progress bar..

OK, so how long can this possibly take? Doesn't the worker do the task and exit? So I put in a pause (system.threading.thread.sleep(2000).. same problem, made it 20 seconds.. same problem.

So I am assuming this is a simple thing I'm missing, but I've spent more than an hour searching and I don't get it.

All I am trying to accomplish here is to start the marquee progress bar while the UI is running something else, and then stop it. I assume I can create another backgroundworker and just use it, but I want to understand why the first one is not done with the task.

Thanks, and again, yes I spent an hour searching and I find all kinds of 'solutions' but no explanation as to why this thing is not finished.

Arqueologia prohibida por la nasa. OK SO HERE IS THE SUB CALLING THE BGW

Ajax Update Progress

I had a 20second delay but still the first BGW does not finish. I know this is something simple but I dont understand, that's all I am after here.

I DID change the code and do not use the same methodology as I was trying at the time I wrote this question.. What I do not understand is why a simple operation is never, apparently, finishing.. having said that, it DOES finish as I was able to show a msgbox using the runworkercompleted event. So, as I tried and failed to convey, thbis is not about the right or wrong way to code, I know it wa wrong and was just trying to be quick and dirty, regardless of that, I am not doing that now, but I do not understand why the BGW is 'still working'. There must be some simple thing I am ignorant about.

Thanks

jsteffler
jstefflerjsteffler

1 Answer

The error is not in the posted code but where you start the Bgw.

But it is all irrelevant because you should not touch the GUI from DoWork:

I don't think you need a Bgw, thread or timer here. Just change the speed before/after the slow action.

AndroidHenk HoltermanHenk Holterman
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Vb Progress Bar Example

Active7 years, 2 months ago

I was hoping for some help with my backgroundworker as I just cant get it to work. Basically I have a backgroundworker which does a few tasks but I'm trying to implement a progress bar and a label. I'm going to set the maximum value of the progress bar to 10 and then have it updating as I move with each task, also I'm thinking of a label with the progress bar which will display the progress ie

and so on.

So far I have this for the coding.

Backgroundworker

Update* Thanks lars fr your help.

So just a quick question would the do work event be like so?

JackSparrow

Vb Net Update Progress Bar Backgroundworker Busy Philipps

JackSparrowJackSparrow
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2 Answers

Instead of trying to set the progress bar value in DoWork (which isn't running on the UI thread), you need to have the BackGroundWorker 'report' it's progress:

Then in your ProgressChanged event, you can set the value of the Progress bar:

LarsTechLarsTech

Iphone Update Progress Bar Stuck

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You have several problems:

  1. Your code won't compile.
  2. You do not create a BackgroundWorker anywhere.
  3. You have not assigned a ProgressChanged event handler.
  4. You do not handle any events at all.

Vb Backgroundworker Example

You must do all these things to use a BackgroundWorker. A good beginner tutorial is at http://msdn.microsoft.com/en-us/library/cc221403%28v=vs.95%29.aspx

Dour High ArchDour High Arch

Update Progress Bar From Backgroundworker

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