When implementing a "move" operation using drag and drop,
a call to setText("") causes the application to freeze on windows.
If a move was successful (from one textfield to another
for instance),
the desired behavior would be to erase the text from the first
textfield.

The following code is taken from a TextField extension that
implements DragSourceListener:

public void dragDropEnd(DragSourceDropEvent dsde){
     this.setText(""); //application hangs
}