The function display-message
creates a message from the arguments using format
, and then displays it on the current CAPI screen.
If you need to make a window-modal sheet on Cocoa, then use the function prompt-with-message.
prompt-with-message
display-message-for-pane
display-non-focus-message
display-dialog
Getting Started
Dialogs: Prompting for Input
CAPI User Guide and Reference Manual (Macintosh version) - 3 Aug 2017