void OnRowClicked(object o, RowActivatedArgs args)
{
TreeIter Iter;
if ((o as TreeView).Selection.GetSelected(out Iter))
{
bool OldValue = (bool)MusicListStore.GetValue(Iter, 0);
MusicListStore.SetValue(Iter, 0, !OldValue);
Log.DebugFormat("Setting Selection Value For Row {0} -> {1}", MusicListStore.GetStringFromIter(Iter), !OldValue);
}
}