Tasks not firing some times?

Hi Experts,
On the AD process form I have a task Get NEw Parent DN task which will compute the container field value and copies to process form container field value; there is another task container Updated. whenever process form container field value changes this task fires but it is firiing some time not firing some time what might be the reason.
Thanks in adavnace for yor help.

Ideally this should not happen, that your process task does fires randomly. Confirm that is your process from container value getting updated each time after your Get NEw Parent DN task runs successfully. The container Updated task will only fire if there is a change in the database for that value as it is based on a DB trigger. Otherwise it wont.
Thanks
Sunny

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    private void KinectForm_FormClosing(object sender, FormClosingEventArgs e)
    if (this.reader != null)
    this.reader.Dispose();
    this.reader = null;
    if (this.kinect != null)
    this.kinect.Close();
    this.kinect = null;
    private void displayModeRadioButton_CheckedChanged(object sender, EventArgs e)
    if (displayModeRadioButton.Checked)
    reader.MultiSourceFrameArrived += FrameArrivedDisplayMode;
    else
    reader.MultiSourceFrameArrived -= FrameArrivedDisplayMode;
    The above code was working earlier, but later on once I added more processing on the data, the event was not fired at all after some point of time.
    I am disposing the frame every time. Why this is happening? How to fix this problem?
    Thanks

    Carmine, Thanks a lot for prodding the references. I am in the process of designing it.
    Meanwhile, since as you said the above code was holding the frame data and disposing the frame after processing it, so I though of changing the style little bit. Please see the code below-
    private void FrameArrivedDisplayMode(object sender, MultiSourceFrameArrivedEventArgs e)
    var reference = e.FrameReference.AcquireFrame(); // Get a reference to the arrived frame
    ColorFrame colorFrame = reference.ColorFrameReference.AcquireFrame(); // Access color frame
    DepthFrame depthFrame = reference.DepthFrameReference.AcquireFrame(); // Access depth frame
    if (colorFrame != null && depthFrame != null) // Do not proceed, if any frame is expired
    ColorFrame.CopyConvertedFrameDataToArray(ColorFramePixels, ColorImageFormat.Bgra);
    depthFrame.CopyFrameDataToArray(DepthFrameData);
    colorFrame.Dispose();
    depthFrame.Dispose();
    //Here I am doing image processing
    Now, this way I am not using some of the frames but it should work, since the frame is disposed earlier.
    But still after some time, the event is not fired out.
    Why? Can you tell me the reason?
    Thanks
    Ravi

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