CHAPTER 7 ?– USING THE ASP.NET AJAX CONTROL TOOLKIT (PART 1) 136
Figure 7-3. Using the AlwaysVisibleControlExtender to pin down a label on the top-right
part of the page
The AnimationExtender Control
The Animation control is by far the most capable and feature-packed control in the
ASP.NET Control Toolkit. It provides excellent support for a wide range of animation features
in an AJAX-enabled ASP.NET page. This powerful control, which can also be
considered a framework given its depth, enables rich animation in a declarative/XML
fashion. Coverage of this control in its entirety is well outside the scope of this chapter,
so we??™ll cover only a few animation types.
The AnimationExtender control attaches on to some of the key events of the target
control within the page, such as Onclick, OnMouseOver, and so on. The target control is
specified with the TargetControlID property. The AnimationExtender control also provides
the means to manage the target control and/or other controls involved in animation via
actions. Actions allow you to include/exclude certain controls from the animation, and
restrict their behavior and visibility, among other things.
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