public bool IsTaskFinished(TaskId taskId)
{
TaskStatus status = TaskStatus.Unknown;
lock (allTasks)
{
status = allTasks[taskId].Status;
}
if (status == TaskStatus.Unknown || OcrSdkTask.IsTaskActive(status))
{
return(false);
}
else
{
return(true);
}
}
/// <summary>
/// Submit and process image asynchronously.
/// Performs callbacks:
/// UploadFileCompleted
/// TaskProcessingCompleted
/// </summary>
/// <param name="filePath">Path to file in isolated storage</param>
/// <param name="settings"></param>
/// <param name="userState"></param>
public void ProcessImageAsync(string filePath, ProcessingSettings settings, object userState)
{
BackgroundWorker w = new BackgroundWorker();
w.DoWork += new DoWorkEventHandler((sender, e) =>
{
OcrSdkTask task = null;
try
{
task = _syncClient.ProcessImage(filePath, settings);
UploadCompletedEventArgs uploadArgs = new UploadCompletedEventArgs(task, userState);
onUploadFileCompleted(sender, uploadArgs);
// Wait until task finishes
while (true)
{
task = _syncClient.GetTaskStatus(task.Id);
if (!task.IsTaskActive())
{
break;
}
Thread.Sleep(1000);
}
if (task.Status == TaskStatus.NotEnoughCredits)
{
throw new Exception("Not enough credits to process image. Please add more pages to your application's account.");
}
TaskEventArgs taskArgs = new TaskEventArgs(task, null, false, userState);
onProcessingCompleted(sender, taskArgs);
}
catch (Exception ex)
{
TaskEventArgs taskArgs = new TaskEventArgs(task, ex, false, userState);
onProcessingCompleted(sender, taskArgs);
}
}
);
w.RunWorkerAsync();
}
