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XtCreateSelectionRequest(3) XT FUNCTIONS XtCreateSelectionRequest(3)

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

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

Specifies the widget making the request. Must be of class Core or a subclass thereof.
Specifies the particular selection desired.
Specifies the timestamp to be used in making the request.

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.

X Toolkit Intrinsics - C Language Interface
Xlib - C Language X Interface
libXt 1.1.5 X Version 11

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