SourcePanel.java 文件源码

public SourcePanel () {
    setPreferredSize(new Dimension(200, 200));
    DragSource defaultDragSource =
            DragSource.getDefaultDragSource();
    defaultDragSource.createDefaultDragGestureRecognizer(this,
            DnDConstants.ACTION_COPY_OR_MOVE, dragGestureListener);
    setBackground(Color.RED);
}