The following example shows how you can enable and disable tool tips globally within a Flex application by setting the ToolTipManager.enabled property.
Full code after the jump.
<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2007/09/03/globally-disabling-tool-tips-using-the-flex-tooltipmanager-class/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
layout="vertical"
verticalAlign="middle"
backgroundColor="white">
<mx:Script>
<![CDATA[
import mx.managers.ToolTipManager;
private function toggleToolTipEnabled():void {
ToolTipManager.enabled = !ToolTipManager.enabled;
}
]]>
</mx:Script>
<mx:ApplicationControlBar dock="true">
<mx:CheckBox label="ToolTipManager.enabled"
selected="true"
click="toggleToolTipEnabled()" />
</mx:ApplicationControlBar>
<mx:Button id="button"
label="Roll over me for a tool tip"
toolTip="The quick brown fox jumped over the lazy dog" />
</mx:Application>
View source is enabled in the following example.

{ 1 comment… read it below or add one }
Took forever for me to search the internet to disable tooltips, and now I see its emberassingly simple. :-)
Thank you for posting.