用VB开发的学单词软件——英汉小词典，完成英语到汉语的查询，很好的背单词软件。本程序用到了自己做的一个按钮控件 虽然比vb自身带的按钮好看，但是唯一不完善的地方是它存在一个小问题就是:

　　按钮三种状态：一般、鼠标经过、鼠标按下。用到了三个image控件切换、但是没法判断鼠标经过时的状态从而调用IMAGES控件，好像是其他的编程工具中大部分控件都有一个MouseExit 或 MouseLeave 事件，但vb中没有。-VB development with words learning software- a small English-Chinese dictionary, English to Chinese completed the inquiry, a very good word software back. This procedure uses a button to do their own control than the button with vb itself look good, but the only perfect place is that it is there is a small problem: the button three states: in general, after the mouse, the mouse click. Three image controls used to switch, but am unable to judge the state of the mouse after in order to call IMAGES control, I think it was the other most of the programming tools MouseExit controls or has a MouseLeave, but not vb.