protected virtual void OnMyTaskProgressChanged(MyTaskProgressChangedEventArgs e)
{
if (MyTaskProgressChanged != null)
MyTaskProgressChanged(this, e);
}
private void MyTaskWorker(string[] files, AsyncOperation async, MyAsyncContext asyncContext, out bool cancelled)
{
cancelled = false;
for (int i = 0; i < files.Length; i++)
{
// a time consuming operation with a file (compression, encryption etc.)
Thread.Sleep(1000);
// compute progress
int progressPercentage = 100 * (i + 1) / files.Length;
// raise the progress changed event
MyTaskProgressChangedEventArgs eArgs = new MyTaskProgressChangedEventArgs(progressPercentage, files[i], Id, null);
async.Post(delegate(object e) { OnMyTaskProgressChanged((MyTaskProgressChangedEventArgs)e); }, eArgs);
if (asyncContext.IsCancelling)
{
cancelled = true;
return;
}
}
}
static void task_MyTaskProgressChanged(object sender, MyTaskProgressChangedEventArgs e)
{
Console.WriteLine("[MyTask][{2}] Progress: {0} %, Current file: {1}", e.ProgressPercentage, e.CurrentFile, e.Id);
}
