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1.8.6.1 FLI types

The COM API uses the information from the IDL to convert data between FLI types and Lisp types where appropriate for arguments and return values of COM method definitions. In particular:

Each argument is the IDL has a corresponding argument in the
define-com-method form. In addition, each argument has a pass-style which specifies whether additional conversions are performed.

If the pass-style of a parameter is :foreign , then the value will be exactly what the FLI would provide, i.e. foreign pointers for strings and for all out or in-out parameters (which are always pointers in the IDL).

If the pass-style of a parameter is :lisp , then the conversions described in the following sections will be done.


LispWorks COM/Automation User Guide and Reference Manual - 21 Feb 2008

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