/V4/Quickstarts/BasicMVVM/BasicMVVMApp/QuestionnaireViewModel.cs

//===================================================================================

// Microsoft patterns & practices

// Composite Application Guidance for Windows Presentation Foundation and Silverlight

//===================================================================================

// Copyright (c) Microsoft Corporation.  All rights reserved.

// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY

// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT

// LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND

// FITNESS FOR A PARTICULAR PURPOSE.

//===================================================================================

// The example companies, organizations, products, domain names,

// e-mail addresses, logos, people, places, and events depicted

// herein are fictitious.  No association with any real company,

// organization, product, domain name, email address, logo, person,

// places, or events is intended or should be inferred.

//===================================================================================

using System.Collections.Generic;

using System.Diagnostics;

using System.Text;

using System.Windows.Input;

using Microsoft.Practices.Prism.Commands;



namespace BasicMVVMApp

{

    public class QuestionnaireViewModel

    {

        private readonly Questionnaire questionnaire;



        public QuestionnaireViewModel()

        {

            this.questionnaire = new Questionnaire();

            this.AllColors = new[] { "Red", "Blue", "Green" };

            this.SubmitCommand = new DelegateCommand<object>(this.OnSubmit);

        }



        public Questionnaire Questionnaire

        {

            get { return this.questionnaire; }

        }



        public IEnumerable<string> AllColors { get; private set; }



        public ICommand SubmitCommand { get; private set; }



        private void OnSubmit(object obj)

        {

            Debug.WriteLine(this.BuildResultString());

        }



        private string BuildResultString()

        {

            StringBuilder builder = new StringBuilder();

            builder.Append("Name: ");

            builder.Append(this.questionnaire.Name);

            builder.Append("\nAge: ");

            builder.Append(this.questionnaire.Age);

            builder.Append("\nQuestion 1: ");

            builder.Append(this.questionnaire.Quest);

            builder.Append("\nQuestion 2: ");

            builder.Append(this.questionnaire.FavoriteColor);

            return builder.ToString();

        }

    }

}