Fired when the size of the web page changes

Member of Web Page (PRIM_WEB)

Details

The SizeChanged event is fired whenever the WebPage bounds change.
 
Layout managers such as Table and Attachment will manage the vast majority of resizing requirements to do with controls.
 
The SizeChanged event complements these features providing an opportunity for code to be executed to change styles, font sizes and other more complex UI requirements typically associated with responsive UI design.

See also

All Component Classes

Technical Reference

Febuary 18 V14SP2