Ensures that all positions of child objects of a UIElement are properly updated for layout.
Assembly: System.Windows (in System.Windows.dll)
Frequent calls to InvalidateArrange, or in particular to , have significant performance consequences if large numbers of elements exist in the UI. Avoid calling this method unless you absolutely require precise layout state for subsequent calls to other APIs in your code.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.