Ted-Zhang

By reading the ReadMe file, I think there is not accurate anymore, the DeletegateComand is not rely on CommandManager.RequestSuggest anymore, it use RaiseCanExecuteChanged or ObservesProperty to raise the event. https://github.com/PrismLibrary/Prism/blob/master/Source/Prism/Commands/DelegateCommandBase.cs

refactor: avoid closure creation

3

refactor: avoid closure creation The ```ExecutionStrategyExtensions.ExecuteAsync``` has an overload method to support passing the state, thereby updating the usage to avoid creating the closure to capture the reference. Since this...