Como: Set the Title of a Window from a Page
This example shows how to set the title of the window in which a Page is hosted.
Exemplo
A page can change the title of the window that is hosting it by setting the WindowTitle property, like so:
<Page
xmlns="https://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="https://schemas.microsoft.com/winfx/2006/xaml"
Title="Page Title"
WindowTitle="Window Title"
>
</Page>