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Version Information — Information about the panel version in use.
XfceArrowButton — Toggle button with arrow
Convenience Functions — Special purpose widgets and utilities
XfcePanelImage — Scalable image suitable for panel plugins
Standard Enumerations — Standard enumerations used by the Xfce Panel.
XfcePanelPlugin — Interface for panel plugins
Commonly used plugin macros — Various macros to make life easier for plugin developers.
Panel Plugin Register Macros — Register panel plugins that are compiled as modules.
GObject Oriented Panel Plugin Registers Macros — Macros to register panel plugins, written as GObjects.