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<HTML><HEAD><TITLE>Version Information</TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.61"><LINKREL="HOME"TITLE="GTK+ Reference Manual"HREF="index.html"><LINKREL="UP"TITLE="GTK+ "HREF="gtk.html"><LINKREL="PREVIOUS"TITLE="General"HREF="gtk-general.html"><LINKREL="NEXT"TITLE="Graphics Contexts"HREF="gtk-graphics-contexts.html"></HEAD><BODYCLASS="REFENTRY"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLEWIDTH="100%"BORDER="0"BGCOLOR="#000000"CELLPADDING="1"CELLSPACING="0"><TR><THCOLSPAN="4"ALIGN="center"><FONTCOLOR="#FFFFFF"SIZE="5">GTK+ Reference Manual</FONT></TH></TR><TR><TDWIDTH="25%"BGCOLOR="#C00000"ALIGN="left"><AHREF="gtk-general.html"><FONTCOLOR="#FFFFFF"SIZE="3"><B><<< Previous Page</B></FONT></A></TD><TDWIDTH="25%"BGCOLOR="#0000C0"ALIGN="center"><FONTCOLOR="#FFFFFF"SIZE="3"><B><AHREF="index.html"><FONTCOLOR="#FFFFFF"SIZE="3"><B>Home</B></FONT></A></B></FONT></TD><TDWIDTH="25%"BGCOLOR="#00C000"ALIGN="center"><FONTCOLOR="#FFFFFF"SIZE="3"><B><AHREF="gtk.html"><FONTCOLOR="#FFFFFF"SIZE="3"><B>Up</B></FONT></A></B></FONT></TD><TDWIDTH="25%"BGCOLOR="#C00000"ALIGN="right"><AHREF="gtk-graphics-contexts.html"><FONTCOLOR="#FFFFFF"SIZE="3"><B>Next Page >>></B></FONT></A></TD></TR></TABLE></DIV><H1><ANAME="GTK-FEATURE-TEST-MACROS">Version Information</A></H1><DIVCLASS="REFNAMEDIV"><ANAME="AEN1096"></A><H2>Name</H2>Version Information -- variables and functions to check the GTK+ version.</DIV><DIVCLASS="REFSYNOPSISDIV"><ANAME="AEN1099"></A><H2>Synopsis</H2><TABLEBORDER="0"BGCOLOR="#D6E8FF"WIDTH="100%"CELLPADDING="6"><TR><TD><PRECLASS="SYNOPSIS"> #include <gtk/gtk.h>extern const guint <AHREF="gtk-feature-test-macros.html#GTK-MAJOR-VERSION">gtk_major_version</A>;extern const guint <AHREF="gtk-feature-test-macros.html#GTK-MINOR-VERSION">gtk_minor_version</A>;extern const guint <AHREF="gtk-feature-test-macros.html#GTK-MICRO-VERSION">gtk_micro_version</A>;extern const guint <AHREF="gtk-feature-test-macros.html#GTK-BINARY-AGE">gtk_binary_age</A>;extern const guint <AHREF="gtk-feature-test-macros.html#GTK-INTERFACE-AGE">gtk_interface_age</A>;<AHREF=../glib/glib-basic-types.html#GCHAR>gchar</A>* <AHREF="gtk-feature-test-macros.html#GTK-CHECK-VERSION">gtk_check_version</A> (<AHREF=../glib/glib-basic-types.html#GUINT>guint</A> required_major, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> required_minor, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> required_micro); </PRE></TD></TR></TABLE></DIV><DIVCLASS="REFSECT1"><ANAME="AEN1112"></A><H2>Description</H2><P>This section describes the variables and functions available to test theversion of the GTK+ library in use.FIXME: probably merge with other general stuff.</P></DIV><DIVCLASS="REFSECT1"><ANAME="AEN1115"></A><H2>Details</H2><DIVCLASS="REFSECT2"><ANAME="AEN1117"></A><H3><ANAME="GTK-MAJOR-VERSION"></A>gtk_major_version</H3><TABLEBORDER="0"BGCOLOR="#D6E8FF"WIDTH="100%"CELLPADDING="6"><TR><TD><PRECLASS="PROGRAMLISTING">extern const guint gtk_major_version;</PRE></TD></TR></TABLE><P>The major version number of the GTK+ library.(e.g. in GTK+ version 1.2.5 this is 1.)</P></DIV><HR><DIVCLASS="REFSECT2"><ANAME="AEN1122"></A><H3><ANAME="GTK-MINOR-VERSION"></A>gtk_minor_version</H3><TABLEBORDER="0"BGCOLOR="#D6E8FF"WIDTH="100%"CELLPADDING="6"><TR><TD><PRECLASS="PROGRAMLISTING">extern const guint gtk_minor_version;</PRE></TD></TR></TABLE><P>The minor version number of the GTK+ library.(e.g. in GTK+ version 1.2.5 this is 2.)</P></DIV><HR><DIVCLASS="REFSECT2"><ANAME="AEN1127"></A><H3><ANAME="GTK-MICRO-VERSION"></A>gtk_micro_version</H3><TABLEBORDER="0"BGCOLOR="#D6E8FF"WIDTH="100%"CELLPADDING="6"><TR><TD><PRECLASS="PROGRAMLISTING">extern const guint gtk_micro_version;</PRE></TD></TR></TABLE><P>The micro version number of the GTK+ library.(e.g. in GTK+ version 1.2.5 this is 5.)</P></DIV><HR><DIVCLASS="REFSECT2"><ANAME="AEN1132"></A><H3><ANAME="GTK-BINARY-AGE"></A>gtk_binary_age</H3><TABLEBORDER="0"BGCOLOR="#D6E8FF"WIDTH="100%"CELLPADDING="6"><TR><TD><PRECLASS="PROGRAMLISTING">extern const guint gtk_binary_age;</PRE></TD></TR></TABLE><P></P></DIV><HR><DIVCLASS="REFSECT2"><ANAME="AEN1137"></A><H3><ANAME="GTK-INTERFACE-AGE"></A>gtk_interface_age</H3><TABLEBORDER="0"BGCOLOR="#D6E8FF"WIDTH="100%"CELLPADDING="6"><TR><TD><PRECLASS="PROGRAMLISTING">extern const guint gtk_interface_age;</PRE></TD></TR></TABLE><P></P></DIV><HR><DIVCLASS="REFSECT2"><ANAME="AEN1142"></A><H3><ANAME="GTK-CHECK-VERSION"></A>gtk_check_version ()</H3><TABLEBORDER="0"BGCOLOR="#D6E8FF"WIDTH="100%"CELLPADDING="6"><TR><TD><PRECLASS="PROGRAMLISTING"><AHREF=../glib/glib-basic-types.html#GCHAR>gchar</A>* gtk_check_version (<AHREF=../glib/glib-basic-types.html#GUINT>guint</A> required_major, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> required_minor, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> required_micro);</PRE></TD></TR></TABLE><P>Checks that the GTK+ library in use is compatable with the given version.</P><DIVCLASS="INFORMALTABLE"><ANAME="AEN1151"></A><P></P><TABLEBORDER="0"WIDTH="100%"BGCOLOR="#FFD0D0"CELLSPACING="0"CELLPADDING="4"CLASS="CALSTABLE"><TBODY><TR><TDWIDTH="20%"ALIGN="RIGHT"VALIGN="TOP"><TTCLASS="PARAMETER"><I>required_major</I></TT> :</TD><TDWIDTH="80%"ALIGN="LEFT"VALIGN="TOP">the required major version.</TD></TR><TR><TDWIDTH="20%"ALIGN="RIGHT"VALIGN="TOP"><TTCLASS="PARAMETER"><I>required_minor</I></TT> :</TD><TDWIDTH="80%"ALIGN="LEFT"VALIGN="TOP">the required major version.</TD></TR><TR><TDWIDTH="20%"ALIGN="RIGHT"VALIGN="TOP"><TTCLASS="PARAMETER"><I>required_micro</I></TT> :</TD><TDWIDTH="80%"ALIGN="LEFT"VALIGN="TOP">the required major version.</TD></TR><TR><TDWIDTH="20%"ALIGN="RIGHT"VALIGN="TOP"><ICLASS="EMPHASIS">Returns</I> :</TD><TDWIDTH="80%"ALIGN="LEFT"VALIGN="TOP">NULL if the GTK+ library is compatable with the given version, ora string describing the version mismatch. </TD></TR></TBODY></TABLE><P></P></DIV></DIV></DIV><DIVCLASS="NAVFOOTER"><BRCLEAR="all"><BR><TABLEWIDTH="100%"BORDER="0"BGCOLOR="#000000"CELLPADDING="1"CELLSPACING="0"><TR><TDWIDTH="25%"BGCOLOR="#C00000"ALIGN="left"><AHREF="gtk-general.html"><FONTCOLOR="#FFFFFF"SIZE="3"><B><<< Previous Page</B></FONT></A></TD><TDWIDTH="25%"BGCOLOR="#0000C0"ALIGN="center"><FONTCOLOR="#FFFFFF"SIZE="3"><B><AHREF="index.html"><FONTCOLOR="#FFFFFF"SIZE="3"><B>Home</B></FONT></A></B></FONT></TD><TDWIDTH="25%"BGCOLOR="#00C000"ALIGN="center"><FONTCOLOR="#FFFFFF"SIZE="3"><B><AHREF="gtk.html"><FONTCOLOR="#FFFFFF"SIZE="3"><B>Up</B></FONT></A></B></FONT></TD><TDWIDTH="25%"BGCOLOR="#C00000"ALIGN="right"><AHREF="gtk-graphics-contexts.html"><FONTCOLOR="#FFFFFF"SIZE="3"><B>Next Page >>></B></FONT></A></TD></TR><TR><TDCOLSPAN="2"ALIGN="left"><FONTCOLOR="#FFFFFF"SIZE="3"><B>General</B></FONT></TD><TDCOLSPAN="2"ALIGN="right"><FONTCOLOR="#FFFFFF"SIZE="3"><B>Graphics Contexts</B></FONT></TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
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