如何在启动时更改起始页? [英] How to change start page at startup?

问题描述

当前，我的应用程序在启动时转到 MainPage.xaml (尽管我不知道它在哪里配置).

my application, currently, goes to the MainPage.xaml at startup (I don't know where it has configured though).

在某些情况下，我希望能够从另一个页面开始.我想我可以将此代码添加到 App.xaml.cs 页面的 Application_Launching()中:

I want to be able to start with another page in some conditions. I think I can add this code to Application_Launching() in App.xaml.cs page:

NavigationService.Navigate(new Uri("/SecondPage.xaml", UriKind.Relative));

但 NavigationService 在App.xaml.cs中不可用.

but NavigationService is not available in App.xaml.cs.

如果 foo == true ，如何从另一个页面启动应用程序?

How can I start the application with another page if foo == true?

推荐答案

更改 App.Xaml.cs 中的起始页:

private void Application_Launching(object sender, LaunchingEventArgs e)
{

        Uri nUri = new Uri("/SecondPage.xaml", UriKind.Relative);
        ((App)Application.Current).RootFrame.Navigate(nUri);

}

在 Property \ WMAppManifest.xml 文件中设置静态启动页面

Setting static startup page in Property\WMAppManifest.xml file

<DefaultTask  Name ="_default" NavigationPage="SecondPage.xaml"/>

编辑

尝试:

    private void Application_Launching(object sender, LaunchingEventArgs e)
    {
        Uri nUri = new Uri("/GamePage.xaml", UriKind.Relative);
        RootFrame.Navigate(nUri);
    }

并在 Property \ WMAppManifest.xml 中清除NavigationPage:

and in Property\WMAppManifest.xml clear NavigationPage:

<DefaultTask  Name ="_default" NavigationPage=""/>

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