private async void OnStartProcessing(object sender, EventArgs e)
{
var logFile = await OpenLogStream(txtLogDest.Text);
var beginTime = DateTime.Now;
ProcessingBegin?.Invoke(this, null);
CancellationInvoker = new CancellationTokenSource();
var guiThread = Thread.CurrentThread.ManagedThreadId;
int processingTaskThread = -1;
string[] filesToProcess = new string[imageList.Images.Keys.Count];
imageList.Images.Keys.CopyTo(filesToProcess, 0);
await Task.Run(() =>
{
processingTaskThread = Thread.CurrentThread.ManagedThreadId;
try
{
var token = CancellationInvoker.Token;
if (cbParallel.Checked)
{
parallelProcessor.ProcessImagesInParallel(filesToProcess, (int)numNewPixelSize.Value, MAX_PARALLELISATION_LEVEL, token);
}
else
{
parallelProcessor.ProcessImages(filesToProcess, (int)numNewPixelSize.Value, token);
}
}
catch (OperationCanceledException ex)
{
// just interrupt processing
//ProcessingCancel?.Invoke(this, null);
}
});
CancellationInvoker.Dispose();
var logStream = (logFile != null ? new StreamWriter(logFile) : null);
var logEntries = parallelProcessor.WriteLog(logStream);
logStream?.WriteLine($"Main GUI Thread: {guiThread}\tMain Task Thread: {processingTaskThread}");
logStream?.Flush();
logFile.Dispose();
var deltaTime = DateTime.Now - beginTime;
ProcessingEnd?.Invoke(this, new ProcessingEndEventArgs {
DeltaTime = deltaTime, RequestedFilesCount = filesToProcess.Length, ProcessedFilesCount = logEntries
});
}
public static void OnProcessingEnd(object sender, ProcessingEventArgs e)
{
ProcessingEnd?.Invoke(sender, e);
}
