Usage:

xfce4-panel [OPTION...] [ARGUMENTS...]

Help Options:

-h, --help

Show help options

--help-all

Show all help options

--help-gtk

Show GTK+ Options

--help-sm-client

Show session management options

GTK+ Options

--class=CLASS

Program class as used by the window manager

--name=NAME

Program name as used by the window manager

--screen=SCREEN

X screen to use

--sync

Make X calls synchronous

--gtk-module=MODULES

Load additional GTK+ modules

--g-fatal-warnings

Make all warnings fatal

Session management options

--sm-client-id=ID

Session management client ID

--sm-client-disable

Disable session management

Application Options:

-p, --preferences=PANEL-NUMBER

Show the 'Panel Preferences' dialog

-a, --add-items=PANEL-NUMBER

Show the 'Add New Items' dialog

-s, --save

Save the panel configuration

--add=PLUGIN-NAME

Add a new plugin to the panel

-r, --restart

Restart the running panel instance

-q, --quit

Quit the running panel instance

-d, --disable-wm-check

Do not wait for a window manager on startup

-V, --version

Print version information and exit

--display=DISPLAY

X display to use