Host and Workflow: Two Worlds to Communicate - Part II

using System;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Collections;
using System.Drawing;
using System.Linq;
using System.Workflow.ComponentModel.Compiler;
using System.Workflow.ComponentModel.Serialization;
using System.Workflow.ComponentModel;
using System.Workflow.ComponentModel.Design;
using System.Workflow.Runtime;
using System.Workflow.Activities;
using System.Workflow.Activities.Rules;

namespace CommunicationCallExternalMethod
{
	public sealed partial class Workflow1: SequentialWorkflowActivity
	{
        //Enter the variables that hold the parameters as properties
        string _filepath = string.Empty;
        int _quantity = 0;

        public String _response = default(System.String);

        /// <summary>
        /// The Property name must be the same as the object in the 
        /// input parameter dictionary 
        /// </summary>
        public int Quantity
        {
            get { return _quantity; }
            set { _quantity = value; }
        }
        /// <summary>
        /// The Property name must be the same as the object in the 
        /// input parameter dictionary 
        /// </summary>
        public string FilePath
        {
            get { return _filepath; }
            set { _filepath = value; }
        }


        public Workflow1()
        {
            InitializeComponent();
        }

        private void GetInfoFromFile(object sender, EventArgs e)
        {
            using (System.IO.StreamReader sr = new System.IO.StreamReader(_filepath))
            {
                char[] ac = new char[_quantity + 1];
                sr.Read(ac, 0, _quantity);
                _response = new String(ac);

            }
        }


	}

}