GetOrAddState(string)
abstract
public abstract TState GetOrAddState<TState>(string name) Gets an existing state component or creates it using the registered implementation of its application contract.
Parameters
namestring- The stable, ordinal, case-sensitive state name.
Returns
The existing or newly created state instance.
Exceptions
System.InvalidOperationException- The name has an incompatible state type, the contract is not registered, or initialization has begun and the state does not exist.