<!doctype html public "-//w3c//dtd html 4.0 transitional//en"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <meta name="GENERATOR" content="Mozilla/4.5 [en] (X11; I; Linux 2.0.35 i586) [Netscape]"> <title>LST - Cursor On Cursor - Add C</title> </head> <body bgcolor="#FFFFFF"> <center><b><font face="Arial,Helvetica"><font size=+1>LST</font></font></b> <br><b><font face="Arial,Helvetica"><font size=+1>Cursor On Cursor</font></font></b> <br><b><font face="Arial,Helvetica"><font size=+1>Add C</font></font></b> <hr WIDTH="100%"> <br><img SRC="InternalStructure3.gif" ALT="LST - Cursor On Cursor - Add C" BORDER=0 height=247 width=647> <br> <hr WIDTH="100%"></center> <b><font face="Arial,Helvetica">Description</font></b> <p><font face="Arial,Helvetica">This diagram depicts a cursor (C) which is based upon another cursor (B). It shows how a list can be incrementally reduced using calls to lstOpenCursor() with a filter function.</font> <p><font face="Arial,Helvetica">Notice that the item (C1) is a direct reference to the root list (A) even though the cursor is based upon (B).</font> <p><b><font face="Arial,Helvetica">Symantics</font></b> <p><font face="Arial,Helvetica">(B) and (C) are cursors.</font> <p><font face="Arial,Helvetica">(C) is based upon (B).</font> <p><font face="Arial,Helvetica">(B) is the base list for (C).</font> <p><font face="Arial,Helvetica">(A) is the root list for (B) and (C).</font> <p><font face="Arial,Helvetica">(A) is the base list for (B).</font> <p><b><font face="Arial,Helvetica">Related Functions</font></b> <p><font face="Arial,Helvetica">lstOpenCursor()</font> <p> <hr> <center><a href="InternalStructure2.html"><img SRC="back.gif" ALT="[Back]" BORDER=0 height=32 width=32></a><a href="InternalStructure4.html"><img SRC="next.gif" ALT="[Next]" BORDER=0 height=32 width=32></a> <p>Page 3 of 9</center> </body> </html>
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