📄 xunionregion.html
字号:
<HTML><HEAD><TITLE>Xlib Programming Manual: XUnionRegion</TITLE></HEAD><BODY><H1 ALIGN=center>XUnionRegion</H1><H2>Syntax</H2><!.IN "XUnionRegion" "" "@DEF@"><CODE><PRE>XUnionRegion(<B>sra</B>, <B>srb</B>, <B>dr_return</B>) <A HREF="./">Region</A> <B>sra</B>, <B>srb</B>, <B>dr_return</B>;</PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>sra</B><BR> <B>srb</B><TD> Specify the two regions with which you want to perform the computation.<TR><TD> <B>dr_return</B><TD> Returns the result of the computation.</TABLE><H2>Description</H2>Compute the union of two regions.<H2>See also</H2><B><A HREF="XCreateRegion.html">XCreateRegion()</A></B>,<B><A HREF="../../graphics/drawing/XDrawRectangle.html">XDrawRectangle()</A></B>,<B><A HREF="XEmptyRegion.html">XEmptyRegion()</A></B>,<B><A HREF="XIntersectRegion.html">XIntersectRegion()</A></B>,<B><A HREF="XOffsetRegion.html">XOffsetRegion()</A></B>,<B><A HREF="XShrinkRegion.html">XShrinkRegion()</A></B>,<B><A HREF="XSubtractRegion.html">XSubtractRegion()</A></B>,<B><A HREF="XUnionRectWithRegion.html">XUnionRectWithRegion()</A></B>,<B><A HREF="XXorRegion.html">XXorRegion()</A></B>,"<A HREF="computing.html">Computing with Regions</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
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -