/// <summary>
/// Gets the data from the state bag.
/// </summary>
/// <param name="bag">The bag.</param>
/// <param name="value">The value.</param>
/// <returns><c>true</c> if data could be retrieved; otherwise <c>false</c>.</returns>
protected virtual bool GetData(StateBag bag, out T value)
{
return(bag.TryGetStateValue(out value, _statePath));
}