Creates a metafile in memory using Graphics Ports operations.
creates a metafile containing records corresponding to the Graphics Ports operations in
that draw to
On Microsoft Windows the metafile is a device-independent format for storing pictures. For more information about metafiles, see the Microsoft documentation.
On Cocoa the metafile format is PDF as a single page.
is not implemented on X11/Motif.
behaves like with-external-metafile except that an object representing the metafile is returned, and no file is created on disk.
must be freed after use, by calling free-metafile.
LispWorks CAPI Reference Manual - 17 Mar 2008