clipboardMonitor.Active = true;

    private void clipboardMonitor_ClipboardChanged(object sender, EventArgs e)
    {
      IDataObject data = new DataObject();
      data = Clipboard.GetDataObject();
      if (data.GetDataPresent(DataFormats.Text))
        textBoxText.Text = (string)data.GetData(DataFormats.Text);
      if (data.GetDataPresent(DataFormats.Rtf))
        richTextBox.Rtf = (string)data.GetData(DataFormats.Rtf);
      if (data.GetDataPresent(DataFormats.Html))
        textBoxHTML.Text = (string)data.GetData(DataFormats.Html);
      if (data.GetDataPresent(DataFormats.Bitmap))
        pictureBox.Image = (Image)data.GetData(DataFormats.Bitmap);
    }