-Error 200587 on recreation of task

I have a digital camera line that needs to be reset with various trigger parameters according to some options of the user (on a digital advantage or no trigger trigger). First time around I can create the task without problem. But when I then have the task and recreate it, I can't start. I get the error-200587. My .net code is below

THIS CODE RUNS ONCE

t = new Task();
t.DOChannels.CreateChannel (line, name, ChannelLineGrouping.OneChannelForEachLine);
Writer = new DigitalSingleChannelWriter (t.Stream);
t.Control (TaskAction.Verify);
t.Start ();
Writer.WriteSingleSampleSingleLine (true, we);

THIS CODE REPEATS

If (t! = null)
{
t.Dispose ();
}

If (t! = null)
{
t.Control (TaskAction.Abort);
t.Dispose ();
}
on the other
{
t = new Task();
}
t.DOChannels.CreateChannel (line, name, ChannelLineGrouping.OneChannelForEachLine);
Writer = new DigitalSingleChannelWriter (t.Stream);
t.Control (TaskAction.Verify);
t.Control (TaskAction.Commit); Error occurs here on the second time around *.
t.Stream.WriteRegenerationMode = WriteRegenerationMode.DoNotAllowRegeneration;

t.Start ();

Writer.BeginWriteWaveform (true, form of wave, null, t);

One strange thing I noticed, is that the error occurs exactly 2 / 3 times, that is to say: +-+-+-...

Any ideas? Maybe I can get what I need here another way?

I did debug this. In the op, I posted just the code base, to remove all methods and referenced objects so that it is easier to understand. When I wrote a program in this manner (all in a single class, not the objects referenced), the problem seems to go away.

It seems that there is something that delays the proper disposal of the tasks.

In my original code, I have a class of "DigitalOutputChannel", which includes the task and all his companions. I realized that I actually have a copy of this whenever I have cycled through the code, instead of simply re-use and redo the task. It is possible, that the disposal of garbage .net wasn't up to that every third cross, allowing it to function again properly.

The code works now!

Tags: NI Hardware

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