public void LoadData()
{
if (FileToLoad == null) throw new ArgumentNullException("FileToLoad", "No load file specified");
if (!FileToLoad.Exists) throw new FileNotFoundException("Cannot find file to load: " + this.FileToLoad.FullName);
LogMessage("Loading GraphML file:\t" + FileToLoad.FullName);
loader = new NetworkDataReader();
loader.ProgressInterval = ProgressInterval;
loader.LoadData(FileToLoad);
}