Namespace:System.Windows.Controls Assembly:PresentationFramework (in PresentationFramework.dll) XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation
A Page can have only a single child element. All other elements on a Page must be descendents of that element. Typically, the content of a Page hosts a layout element—such as Grid, StackPanel, and DockPanel—that hosts the content of the Page.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)