Chapter 2. Built-in Flow Control Activities

In this chapter we will cover:

  • Using the Foreach Activity
  • A number guessing game in Sequence
  • A number guessing game in a flowchart
  • Using the InvokeMethod activity
  • Using the Switch<T> activity in Sequence workflows
  • Using the FlowSwitch<T> activity
  • Using the Parallel activity
  • Using ParallelForEach<T> activity
  • Using the Pick activity
  • Handling errors

Introduction

The Flow is the center of workflow itself, and how to control the Flow is what we will see in this chapter. WF is a lot like an imperative programming language such as C# when it comes to flow control; we have many similar concepts in WF4 such as "if-else", "foreach", "switch", "try-catch", and so on. Additionally, there are some other flow control activities ...

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