/V4/Quickstarts/View-Switching Navigation/Silverlight/View-Switching Navigation/ViewSwitchingNavigation.Infrastructure/ObjectToVisibilityConverter.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;

using System.Globalization;

using System.Windows;

using System.Windows.Data;



namespace ViewSwitchingNavigation.Infrastructure

{

    public class ObjectToVisibilityConverter : IValueConverter

    {

        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)

        {

            return value == null ? Visibility.Collapsed : Visibility.Visible;

        }



        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)

        {

            return null;

        }

    }

}