Region

非导航模式

1.同一个Region可注册多个UserControl

regionManager.Resolve<IRegionManager>().RegisterViewWithRegion("mainRegion", typeof(UserControl1));
regionManager.Resolve<IRegionManager>().RegisterViewWithRegion("mainRegion", typeof(UserControl2));  

2.获取指定的UserControl

containerProvider.Resolve<IRegionManager>().Regions["mainRegion"].Views.ElementAt(index));

2.显示指定的UserControl

containerProvider.Resolve<IRegionManager>().Regions["mainRegion"].Activate（view）;

导航模式

1.注册多个可导航UserControl

containerRegistry.RegisterForNavigation<UserControl2, UserControl2ViewModel>("UserControl2");

containerRegistry.RegisterForNavigation<UserControl2, UserControl2ViewModel>("UserControl2");

2.导航

containerProvider.Resolve<IRegionManager>().Regions["mainRegion"].RequestNavigate("UserControl1", callback=>
{
     if ((bool)callback.Result)
    {
         journal = callback.Context.NavigationService.Journal;
    }
 });