Gets or sets a value that indicates whether the last child element within a DockPanel stretches to fill the remaining available space.
Assembly: PresentationFramework (in PresentationFramework.dll)
If you set the DockPanel always fills the remaining space, regardless of any other dock value that you set on the last child element. To dock a child element in another direction, you must set the property to false and must also specify an explicit dock direction on the last child element.property to true, which is the default setting, the last child element of a
Available since 3.0