/// <summary>
/// 应用启动时处理函数。该函数用于初始化TopLevelReferncedAssemblies，并将UIShell.OSGi和UIShell.OSGi.WebExtension这两个程序集添加到该属性。
/// 同时，启动Bundle运行时。
/// </summary>
/// <param name="sender">Sender。</param>
/// <param name="e">事件参数。</param>
protected virtual void Application_Start(object sender, EventArgs e)
{
FileLogUtility.Init(LogName, LogLocation);
FileLogUtility.SetLogLevel(LogLevel);
FileLogUtility.SetMaxFileSizeByMB(MaxLogFileSize);
FileLogUtility.SetCreateNewFileOnMaxSize(CreateNewLogFileOnMaxSize);
FileLogUtility.Debug("WebSite is starting.");
AddPreDefinedRefAssemblies();
AppDomain.CurrentDomain.SetData("SQLServerCompactEditionUnderWebHosting", true);
BundleRuntime = CreateBundleRuntime();
BundleRuntime.Instance.Framework.EventManager.AddBundleEventListener(
new EventHandler <BundleStateChangedEventArgs>(BundleRuntimeHttpHostHelper.RefreshBundleTopLevelReferencedAssembliesByEvent),
true);
FileLogUtility.Debug("Framework is starting.");
StateTimeoutToRestart(BundleRuntimeState.Started);
BundleRuntime.Start();
FileLogUtility.Debug("Framework is started.");
FileLogUtility.Debug("WebSite is started.");
}