/// <summary>
/// This method is the event handler for the user result available
/// event of the CogjobManger. When this method is called the
/// CogJobManager is telling us that one of the jobs has run and has
/// genreated a new UserResult record packet. This packet contians
/// information about which job, if it passed or failed, or any
/// other information, objects, or images that were added to the
/// PostedItems section of QuickBuild.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/// <remarks>
/// Note that this app updates the GUI every time a new result is
/// available. Processor time is used every time the GUI is updated.
/// For applications that require very high throughput it might not
/// make sense to update the GUI for each run of the job as it will not
/// be noticeable to a user, and can slow down your overall throughput.
///
/// For high-throughput applications it will often make sense to
/// consider options like only updating the GUI for every other result
/// for example.
/// </remarks>
private void myJobManager_UserResultAvailable(object sender,
CogJobManagerActionEventArgs e)
{
if (InvokeRequired)
{
Invoke(new myJobManagerDelegate(
myJobManager_UserResultAvailable), new object[]
{ sender, e });
return;
}
Cognex.VisionPro.ICogRecord topRecord =
myJobManager.UserResult();
RunStatusTextBox.Text =
topRecord.SubRecords["UserResultTag"].Content + ": "
+ topRecord.SubRecords["JobName"].Content + " --> "
+ topRecord.SubRecords["RunStatus"].Content.ToString();
Cognex.VisionPro.ICogRecord tmpRecord;
// Assume the required record is present and get it.
tmpRecord = topRecord.SubRecords["ShowLastRunRecordForUserQueue"];
tmpRecord = tmpRecord.SubRecords["LastRun"];
tmpRecord = tmpRecord.SubRecords["CogFixtureTool1.OutputImage"];
cogRecordDisplay1.Record = tmpRecord;
cogRecordDisplay1.Fit(true);
}
// If it is called by a worker thread,
// InvokeRequired is true, as described above. When this occurs, a delegate is constructed
// which is really a pointer to the method that the GUI thread should call.
// BeginInvoke is then called, with this delegate and the Image parameter.
// Notice that this subroutine tells the GUI thread to call the same subroutine!
// When the GUI calls this method on its own thread, InvokeRequired will be false and the
// CogRecordDisplay is updated with the info.
// This method handles the UserResultAvailable Event. The user packet
// has been configured to contain the blob tool input image, which we retrieve and display.
private void myJobManager_UserResultAvailable(object sender, CogJobManagerActionEventArgs e)
{
if (InvokeRequired)
{
BeginInvoke(new UserResultDelegate(myJobManager_UserResultAvailable), new object[] { sender, e });
return;
}
Cognex.VisionPro.ICogRecord tmpRecord;
Cognex.VisionPro.ICogRecord topRecord = myJobManager.UserResult();
// check to be sure results are available
if (topRecord == null)
{
return;
}
// Assume that the required "count" record is present, and go get it.
tmpRecord = topRecord.SubRecords[@"Tools.Item[""CogBlobTool1""].CogBlobTool.Results.GetBlobs().Count"];
int count = (int)tmpRecord.Content;
myCountText.Text = count.ToString();
// Assume that the required "image" record is present, and go get it.
tmpRecord = topRecord.SubRecords["ShowLastRunRecordForUserQueue"];
tmpRecord = tmpRecord.SubRecords["LastRun"];
tmpRecord = tmpRecord.SubRecords["Image Source.OutputImage"];
cogRecordDisplay1.Record = tmpRecord;
cogRecordDisplay1.Fit(true);
}
/// <summary>
/// This function handles the stopped event from the CogJobManager
/// When the Job is stopped it re-enables the Run Buttons. Note that
/// this function uses Invoke() as described in the beginning of
/// this document.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void myJobManager_Stopped(object sender,
CogJobManagerActionEventArgs e)
{
if (InvokeRequired)
{
Invoke(new myJobManagerDelegate(myJobManager_Stopped),
new object[] { sender, e });
return;
}
RunOnceButton.Enabled = true;
RunContCheckBox.Enabled = true; // Enable when stopped
}