protected override List<FilePath> OnGetItemFiles(bool includeReferencedFiles)
{
var files = new List<FilePath>();
foreach (var dir in GetSourcePaths((ConfigurationSelector)null))
foreach (var f in Directory.GetFiles(dir, "*", SearchOption.AllDirectories))
if (CanContainFile(f))
files.Add(new FilePath(f));
return files;
}