NAME

       XtCreateSelectionRequest, XtSendSelectionRequest, XtCancelSelectionRequest - bundle
       multiple selection conversion requests into a single request using MULTIPLE target

SYNTAX

       void XtCreateSelectionRequest(Widget requestor, Atom selection):

       void XtSendSelectionRequest(Widget requestor, Atom selection, Time time);

       void XtCancelSelectionRequest(Widget requestor, Atom selection);

ARGUMENTS

       requestor Specifies the widget making the request. Must be of class Core or a subclass
                 thereof.

       selection Specifies the particular selection desired.

       time      Specifies the timestamp to be used in making the request.

DESCRIPTION

       When XtCreateSelectionRequest is called, subsequent calls to XtGetSelectionValue and
       XtGetSelectionValueIncremental with the requestor and selection as specified to
       XtCreateSelectionRequest will be bundled into a single selection conversion request with
       multiple targets. The request is actually initiated by calling XtSendSelectionRequest.

       When XtSendSelectionRequest is called with a value of requestor and selection matching a
       previous call to XtCreateSelectionRequest, a selection conversion request is actually sent
       to the selection owner.  If a single target request is queued, that request is made. If
       multiple targets are queued they are bundled into a single request with the target
       MULTIPLE using the specified timestamp. As the conversions are made, the callbacks
       associated with each XtGetSelectionValue and XtGetSelectionValueIncremental are invoked in
       turn.

       Multi-threaded applications should lock the application context before calling
       XtCreateSelectionRequest and release the lock after calling XtSendSelectionRequest to
       ensure that the thread assembling the request is safe from interference by another thread
       assembling a different request naming the same widget and selection.

       When XtCancelSelectionRequest is called, any requests queued since the last call to
       XtCreateSelectionRequest are cleaned up. Subsequent calls to XtGetSelectionValue,
       XtGetSelectionValues, XtGetSelectionValueIncremental, and XtGetSelectionValuesIncremental
       will not be deferred.

SEE ALSO

       X Toolkit Intrinsics - C Language Interface
       Xlib - C Language X Interface