BackgroundWorker Helper using Lambda Expressions

Introduction

I have found that using Lambda Expressions with the BackgroundWorker makes maintenance much easier since you can have everything together in a single method. You can implement the BackgroundWorker using Lambdas without any sort of helper class very easily:

using (var backgroundWorker = new BackgroundWorker())

{

    Debug.Print(string.Format("Start BackgroundWorker {0}", 

         sw.ElapsedMilliseconds));

    backgroundWorker.DoWork += (s, e) =>

        {

          var baskets = FoxDataAccess.GetOrderBaskets().

            Select(i => new StaggedBlotterOrderBasketViewModel(i));

          var mainList = new ObservableCollection

            <StaggedBlotterOrderBasketViewModel>(baskets);

          e.Result = mainList;

        };

    backgroundWorker.RunWorkerCompleted += (s, e) =>

        {

          Debug.Print(string.Format("Completed BackgroundWorker {0}", 

            sw.ElapsedMilliseconds));

          _mainList = (ObservableCollection

            <StaggedBlotterOrderBasketViewModel>)e.Result;

          RaisePropertyChanged("MainListSource");

          Debug.Print(string.Format("Converted Basket Data {0}", 

            sw.ElapsedMilliseconds));

          IsBusy = false;

        };

    backgroundWorker.RunWorkerAsync();

However, using a helper can slightly reduce the code and do exactly the same thing:

Read more: Codeproject

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