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<HTML><HEAD><TITLE>Xlib Programming Manual: XConvertCase</TITLE></HEAD><BODY><H1 ALIGN=center>XConvertCase</H1><H2>Syntax</H2><!.IN "XConvertCase" "" "@DEF@"><CODE><PRE>void XConvertCase(<B>keysym</B>, <B>lower_return</B>, <B>upper_return</B>) <A HREF="../../input/keyboard-encoding.html#KeySym">KeySym</A> <B>keysym</B>; <A HREF="../../input/keyboard-encoding.html#KeySym">KeySym</A> *<B>lower_return</B>; <A HREF="../../input/keyboard-encoding.html#KeySym">KeySym</A> *<B>upper_return</B>;</PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>keysym</B><TD> Specifies the KeySym that is to be converted.<TR><TD> <B>lower_return</B><TD> Returns the lowercase form of keysym, or keysym.<TR><TD> <B>upper_return</B><TD> Returns the uppercase form of keysym, or keysym.</TABLE><H2>Description</H2>The<B>XConvertCase()</B>function returns the uppercase and lowercase forms of the specified Keysym,if the KeySym is subject to case conversion;otherwise, the specified KeySym is returned to both lower_return andupper_return.Support for conversion of other than Latin and Cyrillic KeySyms isimplementation dependent.<H2>Diagnostics</H2><TABLE></TABLE><H2>See also</H2><B><A HREF="XKeycodeToKeysym.html">XKeycodeToKeysym()</A></B>,<B><A HREF="XKeysymToString.html">XKeysymToString()</A></B>,<B><A HREF="XLookupKeysym.html">XLookupKeysym()</A></B>,<B><A HREF="XStringToKeysym.html">XStringToKeysym()</A></B>,<A HREF="./">Keyboard Utility Functions</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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