Protel99鼠标插件，为你在画图增加许多功能，如缩放、拖动、图层切换等。-Protel99 plug the mouse in order to increase your drawing many features such as zoom, drag, such as layer switch.

protel画图软件鼠标放大与缩小，甚至可以拖动。轻松使用protel软件。-protel99 drawing software to enlarge and narrow the mouse, or even drag. Protel99 easy to use software.

一个protel 99se得鼠标差件,可以解决画图过程中得放大缩小拖动图纸全键盘得问题,实现全鼠标操作得可能-1 protel 99se too bad pieces of the mouse, you can solve the drawing process have zoom in and drag the drawing was full keyboard issue and realize the whole mouse is probably