xgetcommand.html

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<HTML><HEAD><TITLE>Xlib Programming Manual: XGetCommand</TITLE></HEAD><BODY><H1 ALIGN=center>XGetCommand</H1><H2>Syntax</H2><!.IN "XGetCommand" "" "@DEF@"><CODE><PRE><B><A HREF="../../introduction/errors.html#Status">Status</A></B> XGetCommand(<B>display</B>, <B>w</B>, <B>argv_return</B>, <B>argc_return</B>)      <A HREF="../../display/opening.html#Display">Display</A> *<B>display</B>;      Window <B>w</B>;      char ***<B>argv_return</B>;      int *<B>argc_return</B>;</PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>display</B><TD> Specifies the connection to the X server.<TR><TD> <B>w</B><TD> Specifies the window.<TR><TD> <B>argv_return</B><TD> Returns the application's argument list.<TR><TD> <B>argc_return</B><TD> Returns the number of arguments returned.</TABLE><H2>Description</H2>The <B>XGetCommand()</B>function reads the <A HREF="/gui/x/icccm/sec-C.html#s-C.1.1">WM_COMMAND</A> property from the specified window and returns a string list.If the <A HREF="/gui/x/icccm/sec-C.html#s-C.1.1">WM_COMMAND</A> property exists, it is of type STRING and format 8.If sufficient memory can be allocated to contain the string list, <B>XGetCommand()</B>fills in the argv_return and argc_return argumentsand returns a nonzero status.Otherwise, it returns a zero status.If the data returned by the server is in the Latin Portable Character Encoding,then the returned strings are in the Host Portable Character Encoding.Otherwise, the result is implementation dependent.To free the memory allocated to the string list, use<B><A HREF="../client-to-window-manager/XFreeStringList.html">XFreeStringList()</A></B>.<H2>See also</H2><B><A HREF="../client-to-window-manager/XAllocClassHint.html">XAllocClassHint()</A></B>,<B><A HREF="../client-to-window-manager/XAllocIconSize.html">XAllocIconSize()</A></B>,<B><A HREF="../client-to-window-manager/XAllocSizeHints.html">XAllocSizeHints()</A></B>,<B><A HREF="../client-to-window-manager/XAllocWMHints.html">XAllocWMHints()</A></B>,<B><A HREF="XSetCommand.html">XSetCommand()</A></B>,<B><A HREF="../client-to-window-manager/XSetTextProperty.html">XSetTextProperty()</A></B>,<B><A HREF="../client-to-window-manager/XSetTransientForHint.html">XSetTransientForHint()</A></B>,<B><A HREF="XSetWMClientMachine.html">XSetWMClientMachine()</A></B>,<B><A HREF="../client-to-window-manager/XSetWMColormapWindows.html">XSetWMColormapWindows()</A></B>,<B><A HREF="../client-to-window-manager/XSetWMIconName.html">XSetWMIconName()</A></B>,<B><A HREF="../client-to-window-manager/XSetWMName.html">XSetWMName()</A></B>,<B><A HREF="../client-to-window-manager/XSetWMProperties.html">XSetWMProperties()</A></B>,<B><A HREF="../client-to-window-manager/XSetWMProtocols.html">XSetWMProtocols()</A></B>,<B><A HREF="../client-to-window-manager/XStringListToTextProperty.html">XStringListToTextProperty()</A></B>,"<A HREF="wm-command.html">Setting and Reading the WM_COMMAND Property</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>

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