OnCanceling

InstallShield 2018 » InstallScript Language Reference

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The OnCanceling event handler responds to the Cancel event that is generated when the end user clicks the Cancel button in one of the built-in InstallScript dialogs.

function OnCanceling( )

begin

if (YES = AskYesNo(

              "Are you sure you want to cancel the setup?",

              YES))

        then abort;

endif;

end;

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