Author: junrue Date: Thu Dec 21 00:00:01 2006 New Revision: 420

Modified: trunk/docs/manual/gfs-symbols.xml Log: documented null-handle-p

Modified: trunk/docs/manual/gfs-symbols.xml ============================================================================== --- trunk/docs/manual/gfs-symbols.xml (original) +++ trunk/docs/manual/gfs-symbols.xml Thu Dec 21 00:00:01 2006 @@ -228,6 +228,7 @@ <reftopic>gfs:handle</reftopic> <reftopic>gfs:disposed-error</reftopic> <reftopic>gfs:disposed-p</reftopic> + <reftopic>gfs:null-handle-p</reftopic> </seealso> </class>

@@ -584,6 +585,30 @@ </description> </function>

+ <function name="null-handle-p"> + <syntax> + <arguments> + <argument name="handle"> + <description> + A <emphasis>native handle</emphasis> represented within + Graphic-Forms using the CFFI :pointer type. + </description> + </argument> + </arguments> + <return> + <refclhs>boolean</refclhs> + </return> + </syntax> + <description> + Returns T if <arg0/> is null (meaning that its foreign address is zero); + NIL otherwise. + </description> + <seealso> + <reftopic>gfs:handle</reftopic> + <reftopic>gfs:native-object</reftopic> + </seealso> + </function> + <function name="make-point"> <syntax> <arguments> @@ -1157,6 +1182,7 @@ <reftopic>gfs:dispose</reftopic> <reftopic>gfs:disposed-p</reftopic> <reftopic>gfs:disposed-error</reftopic> + <reftopic>gfs:null-handle-p</reftopic> </seealso> </slot-reader>