public void CopyFile(string fromVirtualPath, string destinationVirtualPath)
{
MongoGridFS mongoGridFs = GetGridFS();
string fixedDestinationPath = FixPath(destinationVirtualPath);
mongoGridFs.CopyTo(FixPath(fromVirtualPath), fixedDestinationPath);
MongoGridFSFileInfo fileInfo = mongoGridFs.FindOne(fixedDestinationPath);
mongoGridFs.SetMetadata(fileInfo, CreateMetadata(fixedDestinationPath, false));
if (FileCopied != null)
{
FileCopied.Invoke(this, new FileEventArgs(destinationVirtualPath, fromVirtualPath));
}
}