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<HTML><HEAD><TITLE>Xlib Programming Manual: XPointInRegion</TITLE></HEAD><BODY><H1 ALIGN=center>XPointInRegion</H1><H2>Syntax</H2><!.IN "XPointInRegion" "" "@DEF@"><CODE><PRE>Bool XPointInRegion(<B>r</B>, <B>x</B>, <B>y</B>) <A HREF="./">Region</A> <B>r</B>; int <B>x</B>, <B>y</B>;</PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>r</B><TD> Specifies the region.<TR><TD> <B>x</B><BR> <B>y</B><TD> Specify the x and y coordinates, which define the point.</TABLE><P>The<B>XPointInRegion()</B>function returns <B>True</B>if the point (x, y) is contained in the region r.<H2>See also</H2><B><A HREF="XCreateRegion.html">XCreateRegion()</A></B>,<B><A HREF="XEqualRegion.html">XEqualRegion()</A></B>,<B><A HREF="XEmptyRegion.html">XEmptyRegion()</A></B>,<B><A HREF="XIntersectRegion.html">XIntersectRegion()</A></B>,<B><A HREF="XRectInRegion.html">XRectInRegion()</A></B>,"<A HREF="locating.html">Locating a Point or a Rectangle in a Region</A>".<HR><ADDRESS><A HREF="http://tronche.com/">Christophe Tronche</A>, <A HREF="mailto:ch.tronche@computer.org">ch.tronche@computer.org</A></ADDRESS></BODY></HTML>⌨️ 快捷键说明
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