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.ds tk X Toolkit
.ds xT X Toolkit Intrinsics \- C Language Interface
.ds xI Intrinsics
.ds xW X Toolkit Athena Widgets \- C Language Interface
.ds xL Xlib \- C Language X Interface
.ds xC Inter-Client Communication Conventions Manual
.ds Rn 3
.ds Vn 2.2
.hw XtSet-Selection-Parameters XtGet-Selection-Parameters wid-get
.na
.TH XtSetSelectionParameters 3 "libXt 1.2.1" "X Version 11" "XT FUNCTIONS"
.SH NAME
XtSetSelectionParameters \- specify target parameters for a selection request with a single target
.SH SYNTAX
#include <X11/Intrinsic.h>
.HP
void XtSetSelectionParameters(Widget \fIrequestor\fP, Atom \fIselection\fP,
Atom \fItype\fP, XtPointer \fIvalue\fP, unsigned long \fIlength\fP, int
\fIformat\fP);
.SH ARGUMENTS
.IP \fIrequestor\fP 1i
Specifies the widget making the request.
Must be of class Core or any
subclass thereof.
.IP \fIselection\fP 1i
Specifies the atom that names the selection.
.IP \fItype\fP 1i
Specifies the type of the property in which the parameters will be passed.
.IP \fIvalue\fP 1i
Specifies a pointer to the parameters.
.IP \fIlength\fP 1i
Specifies the number of elements containing data in \fIvalue\fP, each
element of a sized indicated by \fIformat\fP.
.IP \fIformat\fP 1i
Specifies the size in bits of the data in the elements of \fIvalue\fP.
.SH DESCRIPTION
The specified parameters will be copied and stored in a new property of
the specified type and format on the requestor's window.
To initiate a
selection request with a target and these parameters, a subsequent call to
.B XtGetSelectionValue
or to
.B XtGetSelectionValueIncremental
specifying the same requestor widget and selection atom will generate a
.B ConvertSelection
request referring referring to the property containing the parameters.
If
.B XtSetSelectionParameters
is called more than once with the same widget and selection without a
call to specify a request, the most recently specified parameters are
used in the subsequent request.
.LP
The possible values of \fIformat\fP may be 8, 16, or 32.
If the \fIformat\fP
is 8, the elements of \fIvalue\fP are assumed to be sizeof(char); if 16,
sizeof(short); if 32, sizeof(long).
.LP
To generate a MULTIPLE target request with parameters for any of the
multiple targets of the selection request, precede individual calls to
.B XtGetSelectionValue
and
.B XtGetSelectionValueIncremental
with corresponding individual calls to
.BR XtSetSelectionParameters ,
and enclose these all within
.B XtCreateSelectionRequest
and
.BR XtSendSelectionRequest .
.B XtGetSelectionValues
and
.B XtGetSelectionValuesIncremental
cannot be used  to make selection requests with parameterized targets.
.SH "SEE ALSO"
XtGetSelectionParameters(3)
.br
\fI\*(xT\fP
.br
\fI\*(xL\fP