private void backgroundWorker1_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
listBox1.Enabled = true;
listBox1.Items.Clear();
progressBar1.Value = 0;
progressBar1.Update();
MessageBox.Show("Parsen abgeschlossen");
p = null;
}
private void parseImg(string fn)
{
p = new parser(Bitmap.FromFile(fn), this);
p.DoIt();
}