请参阅下面的链接以使用XAML代码和Cs代码实现自定义段控制 https://github.com/sam-ss/Custom-Segmented- Control-Xamarin-Forms

希望这对您有帮助！

I would like to switch many pages between in single xaml page on click on segment control. I want make a page like upper part of page is with segment control and below this control having simple layout that is using for replace or switch a other pages in same that below position change but upper part is still remains for next page switching.

So, i would like to code for switching page with using segment control in xaml in xamarin.forms.

Refer bellow link to implement custom segment control using XAML code and Cs Code https://github.com/sam-ss/Custom-Segmented-Control-Xamarin-Forms

Hope This Help you!