Panel. Measure Override(Size) Method
protected: override System::Windows::Size MeasureOverride(System::Windows::Size constraint);
protected override System.Windows.Size MeasureOverride (System.Windows.Size constraint);
override this.MeasureOverride : System.Windows.Size -> System.Windows.Size
Protected Overrides Function MeasureOverride (constraint As Size) As Size
A Size that represents the element size you want.
A DockPanel determines its size by analyzing the sizing properties and Dock property value of its child elements. A child element can occupy all the space on the side where it is docked. Child elements that are docked to the
Right are granted all the vertical space for their entire width. Child elements that are docked to the
Bottom are granted all the horizontal space for their entire height.