title: How to save last folder in openFileDialog?
body: <p>How do I make my application store the last path opened in <code>openFileDialog</code> and after new opening restore it?</p>
  
  <pre><code>OpenFileDialog openFileDialog1 = new OpenFileDialog();
  openFileDialog1.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*";
  if (openFileDialog1.ShowDialog() == DialogResult.OK)
  {
      acc_path = openFileDialog1.FileName;
      Settings.Default.acc_path = acc_path;
  
      foreach (string s in File.ReadAllLines(openFileDialog1.FileName))
      {
          accs.Enqueue(s);
      }
      label2.Text = accs.Count.ToString();
  }
  </code></pre>