Composite WPF Display-on-Demand

using System.Windows.Input;
using LoadOnDemandDemo.ViewModel.Commands;
using Microsoft.Practices.Composite.Modularity;
using Microsoft.Practices.Composite.Regions;

namespace LoadOnDemandDemo
{
    public class ShellViewModel
    {
        #region Constructor

        public ShellViewModel(IModuleEnumerator moduleEnumerator, IModuleLoader moduleLoader, IRegionManager regionManager)
        {
            this.Initialize(moduleEnumerator, moduleLoader, regionManager);
        }

        #endregion

        #region Command Properties

        /// <summary>
        ///  Loads Module A.
        /// </summary>
        public ICommand LoadModuleA { get; set; }

        /// <summary>
        /// Loads Module B.
        /// </summary>
        public ICommand LoadModuleB { get; set; }

        /// <summary>
        ///  Unloads Module A.
        /// </summary>
        public ICommand UnloadModuleA { get; set; }

        /// <summary>
        /// Unloads Module B.
        /// </summary>
        public ICommand UnloadModuleB { get; set; }

        #endregion

        #region Module Properties

        /// <summary>
        /// The Prism module loader.
        /// </summary>
        public IModuleLoader ModuleLoader { get; set; }

        /// <summary>
        /// The Prism module enumerator.
        /// </summary>
        public IModuleEnumerator ModuleEnumerator { get; set; }

        /// <summary>
        /// The Prism region manager.
        /// </summary>
        public IRegionManager RegionManager { get; set; }

        #endregion

        #region Private Methods

        private void Initialize(IModuleEnumerator moduleEnumerator, IModuleLoader moduleLoader, IRegionManager regionManager)
        {
            // Initialize command properties
            this.LoadModuleA = new LoadModuleACommand(this);
            this.LoadModuleB = new LoadModuleBCommand(this);
            this.UnloadModuleA = new UnloadModuleACommand(this);
            this.UnloadModuleB = new UnloadModuleBCommand(this);

            // Initialize module properties
            this.ModuleEnumerator = moduleEnumerator;
            this.ModuleLoader = moduleLoader;
            this.RegionManager = regionManager;
        }

        #endregion
    }
}