This is documentation for Mathematica 6, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)

Mouseover

Mouseover[expr, over]
represents an object that displays as over when the mouse pointer is over it, and as expr otherwise.
  • Mouseover can be used with graphics or any other expression.
  • The following options can be given:
Alignment{Left,Top}how to align objects in the display area
ImageSizeAutomaticthe overall image size for the displayed objects
New in 6