public void ExportPlaylist(Stream stream, bool checkedOnly)
{
XmlWriter writer = XmlWriter.Create(stream);
writer.WriteStartElement("Playlist");
writer.WriteStartAttribute("Version");
writer.WriteValue("1.0");
writer.WriteEndAttribute();
foreach (var testcase in selectedCases)
{
if (checkedOnly & !testcase.IsChecked) continue;
writer.WriteStartElement("Add");
writer.WriteStartAttribute("Test");
writer.WriteValue(testcase.FullName);
writer.WriteEndAttribute();
writer.WriteEndElement();
}
writer.WriteEndElement();
writer.Close();
}