<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <HTML> <HEAD> <META NAME="GENERATOR" CONTENT="SGML-Tools 1.0.9"> <TITLE> {The S-lang C Library Reference}: SLsmg_set_screen_start</TITLE> <LINK HREF="cref-26.html" REL=next> <LINK HREF="cref-24.html" REL=previous> <LINK HREF="cref.html#toc25" REL=contents> </HEAD> <BODY> <A HREF="cref-26.html">Next</A> <A HREF="cref-24.html">Previous</A> <A HREF="cref.html#toc25">Contents</A> <HR> <H2><A NAME="SLsmg_set_screen_start"></A> <A NAME="s25">25. <B>SLsmg_set_screen_start</B></A></H2> <P> <DL> <DT><B> Synopsis </B><DD><P>Set the origin of the virtual display <DT><B> Usage </B><DD><P><CODE>void SLsmg_set_screen_start (int *r, int *c)</CODE> <DT><B> Description </B><DD><P><CODE>SLsmg_set_screen_start</CODE> sets the origin of the virtual display to the row <CODE>*r</CODE> and the column <CODE>*c</CODE>. If either <CODE>r</CODE> or <CODE>c</CODE> is <CODE>NULL</CODE>, then the corresponding value will be set to <CODE>0</CODE>. Otherwise, the location specified by the pointers will be updated to reflect the old origin. <P>See <CODE>slang/demo/pager.c</CODE> for how this function may be used to scroll horizontally. <DT><B> See Also </B><DD><P><CODE>SLsmg_init_smg</CODE> </DL> <P> <P> <P> <HR> <A HREF="cref-26.html">Next</A> <A HREF="cref-24.html">Previous</A> <A HREF="cref.html#toc25">Contents</A> </BODY> </HTML>