[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Provides the behavior for the Measure pass of layout.
Assembly: Microsoft.Phone (in Microsoft.Phone.dll)
Return ValueType: System.Windows.Size
The size that this object determines it needs during layout, based on its calculations of the allocated sizes for child objects; or based on other considerations, such as a fixed container size.