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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"><title>GTK+ Reference Manual</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2"><link rel="start" href="index.html" title="GTK+ Reference Manual"><link rel="next" href="gtk.html" title="Part I. GTK+ Overview"><meta name="generator" content="GTK-Doc V1.9 (XML mode)"><link rel="stylesheet" href="style.css" type="text/css"><link rel="part" href="gtk.html" title="Part I. GTK+ Overview"><link rel="part" href="gtkbase.html" title="Part II. GTK+ Core Reference"><link rel="part" href="gtkobjects.html" title="Part III. GTK+ Widgets and Objects"><link rel="chapter" href="ch01.html" title="Object Hierarchy"><link rel="chapter" href="ch02.html" title="Widget Gallery"><link rel="chapter" href="WindowWidgets.html" title="Windows"><link rel="chapter" href="DisplayWidgets.html" title="Display Widgets"><link rel="chapter" href="ButtonWidgets.html" title="Buttons and Toggles"><link rel="chapter" href="NumericEntry.html" title="Numeric/Text Data Entry"><link rel="chapter" href="TextWidgetObjects.html" title="Multiline Text Editor"><link rel="chapter" href="TreeWidgetObjects.html" title="Tree, List and Icon Grid Widgets"><link rel="chapter" href="MenusAndCombos.html" title="Menus, Combo Box, Toolbar"><link rel="chapter" href="Actions.html" title="Action-based menus and toolbars"><link rel="chapter" href="SelectorWidgets.html" title="Selectors (File/Font/Color/Input Devices)"><link rel="chapter" href="LayoutContainers.html" title="Layout Containers"><link rel="chapter" href="Ornaments.html" title="Ornaments"><link rel="chapter" href="ScrollingWidgets.html" title="Scrolling"><link rel="chapter" href="Printing.html" title="Printing"><link rel="chapter" href="MiscObjects.html" title="Miscellaneous"><link rel="chapter" href="AbstractObjects.html" title="Abstract Base Classes"><link rel="chapter" href="PlugSocket.html" title="Cross-process Embedding"><link rel="chapter" href="SpecialObjects.html" title="Special-purpose features"><link rel="chapter" href="RecentDocuments.html" title="Recently Used Documents"><link rel="chapter" href="Builder.html" title="Interface builder"><link rel="chapter" href="DeprecatedObjects.html" title="Deprecated"><link rel="part" href="migrating.html" title="Part IV. Migrating from Previous Versions of GTK+"><link rel="chapter" href="gtk-migrating-checklist.html" title="Migration Checklist"><link rel="chapter" href="gtk-migrating-GtkFileChooser.html" title="Migrating from GtkFileSelection to GtkFileChooser"><link rel="chapter" href="gtk-migrating-GtkAction.html" title="Migrating from old menu and toolbar systems to GtkAction"><link rel="chapter" href="gtk-migrating-GtkComboBox.html" title="Migrating from GtkOptionMenu and GtkCombo to GtkComboBox and GtkComboBoxEntry"><link rel="chapter" href="gtk-migrating-GtkIconView.html" title="Migrating from GnomeIconList to GtkIconView"><link rel="chapter" href="gtk-migrating-GtkAboutDialog.html" title="Migrating from GnomeAbout to GtkAboutDialog"><link rel="chapter" href="gtk-migrating-GtkColorButton.html" title="Migrating from GnomeColorPicker to GtkColorButton"><link rel="chapter" href="gtk-migrating-GtkAssistant.html" title="Migrating from GnomeDruid to GtkAssistant"><link rel="chapter" href="gtk-migrating-GtkRecentChooser.html" title="Migrating from EggRecent to GtkRecentChooser"><link rel="chapter" href="gtk-migrating-GtkLinkButton.html" title="Migrating from GnomeHRef to GtkLinkButton"><link rel="chapter" href="gtk-migrating-GtkBuilder.html" title="Migrating from libglade to GtkBuilder"><link rel="chapter" href="gtk-migrating-tooltips.html" title="Migrating from GtkTooltips to GtkTooltip"><link rel="part" href="pt05.html" title="Part V. GTK+ Tools"><link rel="glossary" href="glossary.html" title="Glossary"><link rel="index" href="ix01.html" title="Index"><link rel="index" href="ix02.html" title="Index of deprecated symbols"><link rel="index" href="ix03.html" title="Index of new symbols in 2.2"><link rel="index" href="ix04.html" title="Index of new symbols in 2.4"><link rel="index" href="ix05.html" title="Index of new symbols in 2.6"><link rel="index" href="ix06.html" title="Index of new symbols in 2.8"><link rel="index" href="ix07.html" title="Index of new symbols in 2.10"><link rel="index" href="ix08.html" title="Index of new symbols in 2.12"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="book" lang="en"><div class="titlepage"><div><div><table class="navigation" id="top" width="100%" cellpadding="2" cellspacing="0"><tr><th valign="middle"><p class="title">GTK+ Reference Manual</p></th></tr></table></div><div><p class="releaseinfo">for GTK+ 2.12.8</p></div></div><hr></div><div class="toc"><dl><dt><span class="part"><a href="gtk.html">I. GTK+ Overview</a></span></dt><dd><dl><dt><span class="refentrytitle"><a href="gtk-building.html">Compiling the GTK+ libraries</a></span><span class="refpurpose"> — How to compile GTK+ itself</span></dt><dt><span class="refentrytitle"><a href="gtk-compiling.html">Compiling GTK+ Applications</a></span><span class="refpurpose"> — How to compile your GTK+ application</span></dt><dt><span class="refentrytitle"><a href="gtk-running.html">Running GTK+ Applications</a></span><span class="refpurpose"> — How to run and debug your GTK+ application</span></dt><dt><span class="refentrytitle"><a href="gtk-x11.html">Using GTK+ on the X Window System</a></span><span class="refpurpose"> — X11 aspects of using GTK+</span></dt><dt><span class="refentrytitle"><a href="gtk-windows.html">Using GTK+ on Windows</a></span><span class="refpurpose"> — Windows-specific aspects of using GTK+</span></dt><dt><span class="refentrytitle"><a href="gtk-osx.html">Using GTK+ on Mac OS X</a></span><span class="refpurpose"> — OS X-specific aspects of using GTK+</span></dt><dt><span class="refentrytitle"><a href="gtk-directfb.html">Using GTK+ on DirectFB</a></span><span class="refpurpose"> — DirectFB-specific aspects of using GTK+</span></dt><dt><span class="refentrytitle"><a href="gtk-resources.html">Mailing lists and bug reports</a></span><span class="refpurpose"> — Getting help with GTK+</span></dt><dt><span class="refentrytitle"><a href="gtk-question-index.html">Common Questions</a></span><span class="refpurpose"> — Find answers to common questions in the GTK+ manual</span></dt></dl></dd><dt><span class="part"><a href="gtkbase.html">II. GTK+ Core Reference</a></span></dt><dd><dl><dt><span class="refentrytitle"><a href="gtk-General.html">Main loop and Events</a></span><span class="refpurpose"> — Library initialization, main event loop, and events</span></dt><dt><span class="refentrytitle"><a href="gtk-Keyboard-Accelerators.html">Accelerator Groups</a></span><span class="refpurpose"> — Groups of global keyboard accelerators for an entire GtkWindow</span></dt><dt><span class="refentrytitle"><a href="gtk-Accelerator-Maps.html">Accelerator Maps</a></span><span class="refpurpose"> — Loadable keyboard accelerator specifications</span></dt><dt><span class="refentrytitle"><a href="gtk-Clipboards.html">Clipboards</a></span><span class="refpurpose"> — Storing data on clipboards</span></dt><dt><span class="refentrytitle"><a href="gtk-Drag-and-Drop.html">Drag and Drop</a></span><span class="refpurpose"> — Functions for controlling drag and drop handling</span></dt><dt><span class="refentrytitle"><a href="GtkIconTheme.html">GtkIconTheme</a></span><span class="refpurpose"> — Looking up icons by name</span></dt><dt><span class="refentrytitle"><a href="gtk-Stock-Items.html">Stock Items</a></span><span class="refpurpose"> — Prebuilt common menu/toolbar items and corresponding icons</span></dt><dt><span class="refentrytitle"><a href="gtk-Themeable-Stock-Images.html">Themeable Stock Images</a></span><span class="refpurpose"> — Manipulating stock icons</span></dt><dt><span class="refentrytitle"><a href="gtk-Resource-Files.html">Resource Files</a></span><span class="refpurpose"> — Routines for handling resource files</span></dt><dt><span class="refentrytitle"><a href="GtkSettings.html">Settings</a></span><span class="refpurpose"> — Sharing settings between applications</span></dt><dt><span class="refentrytitle"><a href="gtk-Bindings.html">Bindings</a></span><span class="refpurpose"> — Key bindings for individual widgets</span></dt><dt><span class="refentrytitle"><a href="gtk-Standard-Enumerations.html">Standard Enumerations</a></span><span class="refpurpose"> — Public enumerated types used throughout GTK+</span></dt><dt><span class="refentrytitle"><a href="gtk-Graphics-Contexts.html">Graphics Contexts</a></span><span class="refpurpose"> — A shared pool of GdkGC objects</span></dt><dt><span class="refentrytitle"><a href="GtkStyle.html">Styles</a></span><span class="refpurpose"> — Functions for drawing widget parts</span></dt><dt><span class="refentrytitle"><a href="gtk-Selections.html">Selections</a></span><span class="refpurpose"> — Functions for handling inter-process communication via selections</span></dt><dt><span class="refentrytitle"><a href="gtk-Feature-Test-Macros.html">Version Information</a></span><span class="refpurpose"> — Variables and functions to check the GTK+ version</span></dt><dt><span class="refentrytitle"><a href="gtk-Signals.html">Signals</a></span><span class="refpurpose"> — Object methods and callbacks</span></dt><dt><span class="refentrytitle"><a href="gtk-Types.html">Types</a></span><span class="refpurpose"> — Handle run-time type creation</span></dt></dl></dd><dt><span class="part"><a href="gtkobjects.html">III. GTK+ Widgets and Objects</a></span></dt><dd><dl><dt><span class="chapter"><a href="ch01.html">Object Hierarchy</a></span></dt><dt><span class="chapter"><a href="ch02.html">Widget Gallery</a></span></dt><dt><span class="chapter"><a href="WindowWidgets.html">Windows</a></span></dt><dd><dl><dt><span class="refentrytitle"><a href="GtkDialog.html">GtkDialog</a></span><span class="refpurpose"> — Create popup windows</span></dt><dt><span class="refentrytitle"><a href="GtkInvisible.html">GtkInvisible</a></span><span class="refpurpose"> — A widget which is not displayed</span></dt><dt><span class="refentrytitle"><a href="GtkMessageDialog.html">GtkMessageDialog</a></span><span class="refpurpose"> — A convenient message window</span></dt><dt><span class="refentrytitle"><a href="GtkWindow.html">GtkWindow</a></span><span class="refpurpose"> — Toplevel which can contain other widgets</span></dt><dt><span class="refentrytitle"><a href="GtkWindowGroup.html">GtkWindowGroup</a></span><span class="refpurpose"> — Limit the effect of grabs</span></dt><dt><span class="refentrytitle"><a href="GtkAboutDialog.html">GtkAboutDialog</a></span><span class="refpurpose"> — Display information about an application</span></dt><dt><span class="refentrytitle"><a href="GtkAssistant.html">GtkAssistant</a></span><span class="refpurpose"> — A widget used to guide users through multi-step operations</span></dt></dl></dd><dt><span class="chapter"><a href="DisplayWidgets.html">Display Widgets</a></span></dt><dd><dl><dt><span class="refentrytitle"><a href="GtkAccelLabel.html">GtkAccelLabel</a></span><span class="refpurpose"> — A label which displays an accelerator key on the right of the text</span></dt><dt><span class="refentrytitle"><a href="GtkImage.html">GtkImage</a></span><span class="refpurpose"> — A widget displaying an image</span></dt><dt><span class="refentrytitle"><a href="GtkLabel.html">GtkLabel</a></span><span class="refpurpose"> — A widget that displays a small to medium amount of text</span></dt><dt>⌨️ 快捷键说明
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