app.xaml.cs

ICE3.3.0--聊天程序服务器端demo

// **********************************************************************
//
// Copyright (c) 2003-2008 ZeroC, Inc. All rights reserved.
//
// This copy of Chat Demo is licensed to you under the terms
// described in the CHAT_DEMO_LICENSE file included in this
// distribution.
//
// **********************************************************************

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Windows;
using System.Windows.Data;

namespace ChatDemoGUI
{
    //
    //  The App class is a partial class that is partially defined in App.xaml.
    //
    public partial class App : Application
    {
        public App()
        {
            InitializeComponent();
        }

        protected override void OnExit(ExitEventArgs e)
        {
            if(_hasNetFramework)
            {
                _coordinator.storeWindowPrefs();
                _coordinator.logout();
            }
        }

        public Coordinator getCoordinator()
        {
            return _coordinator;
        }

        private void AppStartup(object sender, StartupEventArgs e)
        {
            if(!System.IO.Directory.Exists(System.Environment.GetEnvironmentVariable("systemroot")
                                           + "\\Microsoft.NET\\Framework\\v3.5"))
            {
                string errorMessage = "Chat Demo \n" +
                    "You need to install Microsoft .NET Framework v3.5 in order to run this application.\n" +
                    "Refer to the README file in your Chat Demo distribution for more information.";
                string caption = "Chat Demo - Error";
                MessageBoxImage icon = MessageBoxImage.Error;
                MessageBoxButton button = MessageBoxButton.OK;
                MessageBox.Show(errorMessage, caption, button, icon);
                Shutdown(-1);
            }
            else
            {
                _hasNetFramework = true;
                _coordinator = new Coordinator(e.Args);
            }
        }

        private Coordinator _coordinator = null;
        private bool _hasNetFramework = false;
    }
}