Bug 189847 [DND] Combo/Text on Linux does not fire Drop event.
examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/dnd/DNDExample.java
}
	});
	
	Button b = new Button(parent, SWT.CHECK);
	b.setText("DragSource");
	b.addSelectionListener(new SelectionAdapter() {
		public void widgetSelected(SelectionEvent e) {
			Button b = (Button)e.widget;
			dragEnabled = b.getSelection();
			if (dragEnabled) {
				createDragSource();
			} else {
				if (dragSource != null){
					dragSource.dispose();
				}
				dragSource = null;
			}
		}
	});
	b.setSelection(true);
	dragEnabled = true;
	
	FormData data = new FormData();
	data.top = new FormAttachment(0, 10);
	data.bottom = new FormAttachment(combo, -10);
	data.left = new FormAttachment(0, 10);
	data.right = new FormAttachment(100, -10);
	dragControl.setLayoutData(data);
	
	data = new FormData();