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.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991 by
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.\" $XFree86: xc/doc/man/X11/XCMEvent.man,v 1.2 2001/01/27 18:19:56 dawes Exp $
.\" $XdotOrg: lib/X11/man/XClientMessageEvent.man,v 1.2 2004-04-23 18:42:09 eich Exp $
.\"
.ds xT X Toolkit Intrinsics \- C Language Interface
.ds xW Athena X Widgets \- C Language X Toolkit Interface
.ds xL Xlib \- C Language X Interface
.ds xC Inter-Client Communication Conventions Manual
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.TH XClientMessageEvent __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"
.SH NAME
XClientMessageEvent \- ClientMessage event structure
.SH STRUCTURES
The structure for
.ZN ClientMessage
events contains:
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typedef struct {
	int type;	/\(** ClientMessage */
	unsigned long serial;		/\(** # of last request processed by server */
	Bool send_event;		/\(** true if this came from a SendEvent request */
	Display *display;		/\(** Display the event was read from */
	Window window;
	Atom message_type;
	int format;
	union {
		char b[20];
		short s[10];
		long l[5];
	        } data;
} XClientMessageEvent;
.De
.LP
When you receive this event,
the structure members are set as follows.
.LP
The type member is set to the event type constant name that uniquely identifies
it.
For example, when the X server reports a
.ZN GraphicsExpose
event to a client application, it sends an
.ZN XGraphicsExposeEvent
structure with the type member set to
.ZN GraphicsExpose .
The display member is set to a pointer to the display the event was read on.
The send_event member is set to
.ZN True
if the event came from a
.ZN SendEvent
protocol request.
The serial member is set from the serial number reported in the protocol
but expanded from the 16-bit least-significant bits to a full 32-bit value.
The window member is set to the window that is most useful to toolkit
dispatchers.
.LP
The message_type member is set to an atom that indicates how the data 
should be interpreted by the receiving client.
The format member is set to 8, 16, or 32 and specifies whether the data
should be viewed as a list of bytes, shorts, or longs.
The data member is a union that contains the members b, s, and l.
The b, s, and l members represent data of twenty 8-bit values, 
ten 16-bit values, and five 32-bit values.
Particular message types might not make use of all these values.
The X server places no interpretation on the values in the window,
message_type, or data members.
.SH "SEE ALSO"
XAnyEvent(3X11),
XButtonEvent(3X11),
XCreateWindowEvent(3X11),
XCirculateEvent(3X11),
XCirculateRequestEvent(3X11),
XColormapEvent(3X11),
XConfigureEvent(3X11),
XConfigureRequestEvent(3X11),
XCrossingEvent(3X11),
XDestroyWindowEvent(3X11),
XErrorEvent(3X11),
XExposeEvent(3X11),
XFocusChangeEvent(3X11),
XGraphicsExposeEvent(3X11),
XGravityEvent(3X11),
XKeymapEvent(3X11),
XMapEvent(3X11),
XMapRequestEvent(3X11),
XPropertyEvent(3X11),
XReparentEvent(3X11),
XResizeRequestEvent(3X11),
XSelectionClearEvent(3X11),
XSelectionEvent(3X11),
XSelectionRequestEvent(3X11),
XUnmapEvent(3X11),
XVisibilityEvent(3X11)
.br
\fI\*(xL\fP