An owner window.
A keyword, or
A function or
specifies which button has the input focus when the dialog appears (and is thus selected when the user immediately presses
, the value
, and any other value means
. The default value of
owner specifies an owner window for the dialog. See Dialogs: Prompting for Input for details.
is non-nil, then it must be a function with a lambda list that accepts two arguments. The
function is called with the values that would normally be returned by
prompt-for-continuation. On Cocoa, passing
causes the dialog to be made as a window-modal sheet and
prompt-for-confirmation returns immediately, leaving the dialog on the screen. The with-dialog-results macro provides a convenient way to create a
CAPI User Guide and Reference Manual (Macintosh version) - 3 Aug 2017