` Trapping Esc key and preventing window exit (Steve Parker ) - Icetips Article
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Par2: Trapping Esc key and preventing window exit
1999-11-07 -- Steve Parker
 
In a window template procedure: Alert the EscKey (you will have to manually type its name in). Then, in Window Event Handling for the Alert key: If KeyCode() = EscKey Message('You must select a pricing action.','Warning',Icon:Hand) Select(1) Cycle Return Level:Notify End will prevent the user from closing the window on the Esc key.

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