I try to create a tkEntry with a tkVariable attached in the class
startupinterface and create a callback to startupinterfacecontroller but
it doesn't work : it says that themember variable supposed to hold a
link to the tkVariable object is nil:nilClass when i try to call the
value member function

code is in attachement

any help appreciated

Attachments:
http://www.ruby-forum.com/attachment/3478/chess_games_helper.rb

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