How to wait for background worker to finish processing?

Question

I have 3 background workers each processing a channel of a 24-bit Bitmap image (Y, Cb, Cr). The processing for each 8-bit image takes several seconds and they might not com

Answer 1

Building on the answer from Renuiz, I would do it this way:

private object lockObj;

private void backgroundWorkerN_RunWorkerCompleted(
    object sender, 
    RunWorkerCompletedEventArgs e)
{
    lock (lockObj)
    {
        y = true;
        if (cb && cr) // if cb and cr flags are true - 
                      // other backgroundWorkers finished work
        {
            someMethodToDoOtherStuff();
        }
    }
}