dialog->modified

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dialog->modified_item

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dialog ->modified_item: item=graphical, modified=bool

This message is normally invoked by one of the member dialog_item objects. If the dialog has a device<-default_button, this button will be activated using graphical->active. Otherwise, this method fails. Dialog-items will send their dialog_item<-message immediately if this message fails. Otherwise they assume the default button will activate dialog->apply.