前面板中有一个数值控件和开关控件，实现在程序运行时，若修改了数值控件的值，则弹出对话框“你改变了控件的值”；当鼠标指针在开关上移动过时，弹出对话框“你的鼠标移动到了开关上面”-The front panel has a numeric controls and switches control to achieve the program is running, if the value of the control changes the value, then the pop-up dial