public void AddFile(string key, string filePath, string contentName)
{
EnsureKey(key);
var target = MakePath(key, contentName);
FileUtils.CopyUnlocked(filePath, target);
if (Added != null)
{
Added(this, new FileCacheStoreAddedEventArgs() { SizeKB = (int)(new FileInfo(filePath).Length / 1024) });
}
}