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...\" DragSt.sgm /main/9 1996/09/08 20:40:10 rws $
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.TH "XmDragStart" "library call"
.SH "NAME"
\fBXmDragStart\fP \(em A Drag and Drop function that initiates a drag and
drop transaction
.iX "XmDragStart"
.iX "Drag and Drop functions" "XmDragStart"
.SH "SYNOPSIS"
.PP
.nf
#include <Xm/DragDrop\&.h>
\fBWidget \fBXmDragStart\fP\fR(
\fBWidget \fBwidget\fR\fR,
\fBXEvent *\fBevent\fR\fR,
\fBArgList \fBarglist\fR\fR,
\fBCardinal \fBargcount\fR\fR);
.fi
.SH "DESCRIPTION"
.PP
\fBXmDragStart\fP initiates a drag operation\&. This routine
returns the DragContext widget that it initializes for the
associated drag transaction\&. The toolkit is responsible for
freeing the DragContext when the drag and drop transaction
is complete\&.
.IP "\fIwidget\fP" 10
Specifies the ID of the smallest widget and/or gadget that encloses
the source elements selected for a drag operation\&.
.IP "\fIevent\fP" 10
Specifies the \fBXEvent\fP that triggered the drag operation\&. This
event must be a ButtonPress event\&.
.IP "\fIarglist\fP" 10
Specifies the argument list\&. Any \fBXmDragContext\fP resources not
specified in the argument list are obtained from the resource database
or are set to their default values\&.
.IP "\fIargcount\fP" 10
Specifies the number of attribute/value pairs in the argument
list (\fIarglist\fP)
.PP
For a complete definition of DragContext and its associated resources,
see \fBXmDragContext\fP(3)\&.
.SH "RETURN"
.PP
Returns the ID of the DragContext widget that controls this drag
and drop transaction\&.
Returns NULL if the drag cannot be initiated\&.
.SH "RELATED"
.PP
\fBXmDragCancel\fP(3) and
\fBXmDragContext\fP(3)\&.
...\" created by instant / docbook-to-man, Sun 22 Dec 1996, 20:22