Override this method to arrange and size a window and its child elements.
protected override Size ArrangeOverride(
A Size that reflects the final size that the window should use to arrange itself and its children.
ArrangeOverride is not called when the Visibility property has a value of Collapsed. If the value of the Visibility property is either Hidden or Visible, ArrangeOverride is called.
When either Show or ShowDialog are called, the Visibility property of a Window is set to Visible.
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)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.