[wxPython] event when focus goes out of TextCtrl

hi,

How can I know when the focus goes out of TextCtrl ?
I would like to do somes things when the user goes out with TAB or
Ctrl-TAB.

If i use EVT_TEXT or EVT_CHAR I receive nothing when the key to goes out
is Ctrl-TAB...

thanks

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William Dodé - Informaticien Indépendant
http://www.flibuste.net