private void CopyToClipboard()
{
if (_listBox.SelectedItems.Count > 0)
{
var selectedItemsAsRTFText = new StringBuilder();
foreach (LogEventArgs logEvent in _listBox.SelectedItems)
{
selectedItemsAsRTFText.Append(FormatALogEventMessage(logEvent, _messageFormat));
}
var worker = new ClipboardHelper(DataFormats.Text, selectedItemsAsRTFText.ToString());
worker.Go();
}
}