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Disable action on Event handler

Maks Besida
Greenhorn

Joined: May 26, 2011
Posts: 13

I have a KeyUpHandler and want to disable default actions on some keys. For example, I want to disable new line to be inserted into TextArea or if the user press Tab key I want to disable focus to be changed to another element. How can i achieve this
 
 
subject: Disable action on Event handler