} }  selectedOperation = DND.DROP_NONE; if (selectedDataType != null && (event.detail & allowedOperations) != 0) { selectedOperation = event.detail; } } DropTarget.this.control.getDisplay().timerExec(delay, dragOverHeartbeat); }
						public void run() {							if (DropTarget.this.control == null || 							    DropTarget.this.control.isDisposed() || 							    DropTarget.this.control.isVisible()) return;												unregisterDropTarget();						}