Work with FlowSwitch in WorkFlow

FlowSwitch activity is a template class and define data type.

Introduction : A FlowSwitch activity works like a FlowDecision except instead of being restricted to a True and False branch. Each branch of a FlowSwitch activity is called a FlowStep. The FlowSwitch activity is a template class(<T>) and use same as Switch Statement in C#.

Let see how to create FlowSwitch<T>activity :

Step : 1 Create an Workflow Console Application.

• Open Visual Studio.
• Select File->New->Project.
• Select Workflow Console Application.

Step : 2 Drag Flowchart activity to the designer to place the activities on the palette.

Step : 3 Drag a FlowSwitch activity to the bottom of the Workflow.

Step : 4 Drag a WriteLine activity to display a standard greeting message and set the Display Name Winter, Spring, Summer , Autumn and Default.

Step : 5 Go to FlowSwitch and right-click.

• Select the Expression property and write a code.

Code :

CInt(((DateTime.Now.Month Mod 12) + 1) / 4)

Step : 6 Go to Program.cs file and write a code.

Code :

using System;
using System.Linq;
using System.Activities;
using System.Activities.Statements;
namespace WorkflowConsoleApplication13
{
    class Program
    {
static void Main(string[] args)
        {
            WorkflowInvoker.Invoke(new Workflow1());
            Console.WriteLine("Hi");
            Console.WriteLine("bye");
            Console.WriteLine("press enter ");
            Console.ReadLine();
 }
    }
}

Step :7 Press F5 and run application.