private HdaSubscribeAttributeRequest FindAttributeRequest(string itemId, bool create)
{
lock (m_lock)
{
HdaSubscribeAttributeRequest requests = null;
if (!m_requests.TryGetValue(itemId, out requests))
{
if (!create)
{
return null;
}
requests = new HdaSubscribeAttributeRequest(itemId);
m_requests.Add(itemId, requests);
}
return requests;
}
}