Futurebasic/Language/Reference/fn toolbox

= FN &lt;toolbox&gt; function =

Description
This function executes a Toolbox function as defined in Inside Macintosh. A Toolbox function (as opposed to a Toolbox procedure) returns a value.

must be the name of a Macintosh Toolbox function. FB recognizes the names of hundreds of Toolbox functions and procedures; advanced programmers can also use the  statement and the   statement to add new Toolbox function/procedure names.

The use of the,   and   parameters is identical to their use in the   statement. See the description of the CALL statement for more information.