WPF三种启动方式

App.xaml配置

<Application x:Class="超级.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:local="clr-namespace:超级"
             StartupUri="MainWindow.xaml">
    <Application.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="pack://application:,,,/HandyControl;component/Themes/SkinDefault.xaml"/>
                <ResourceDictionary Source="pack://application:,,,/HandyControl;component/Themes/Theme.xaml"/>
            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </Application.Resources>
</Application>

代码启动

<Application x:Class="超级.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:local="clr-namespace:超级"
              Startup="App_OnStartup">
    <Application.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="pack://application:,,,/HandyControl;component/Themes/SkinDefault.xaml"/>
                <ResourceDictionary Source="pack://application:,,,/HandyControl;component/Themes/Theme.xaml"/>
            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </Application.Resources>
</Application>

　　

        private  void App_OnStartup(object sender, StartupEventArgs e)
        {
            //NavigationWindow window = new NavigationWindow();
            //window.Source = new Uri("MainWindow.xaml", UriKind.Relative);
            //window.Height = 800;
            //window.Width = 800;
            //window.WindowStartupLocation = WindowStartupLocation.CenterScreen;
            //window.Show();

            Application app = new Application();
            MainWindow mv = new MainWindow();
            app.Run(mv);

            Application app1 = new Application();

            app1.StartupUri = new Uri("MainWindow.xaml"); 
            app1.Run();

        }