TmGridMap Get(string key)
{
TmGridMap map = null;
GridMaps.TryGetValue(key, out map);
return(map);
}
void Add(string key, TmGridMap map)
{
TmGridMap tem;
GridMaps.TryGetValue(key, out tem);
if (tem == null)
{
GridMaps.Add(key, map);
}
}