Describes the kind of value that a GridLength object is holding.
Assembly: PresentationFramework (in PresentationFramework.dll)
sizing is used to distribute available space by weighted proportions.
In Extensible Application Markup Language (XAML), star values are expressed as * or 2*. In the first case, the row or column would receive one times the available space; in the second case, the row or column would receive two times the available space, and so on.