这是一个选择图标的组合框的类(2KB)，对于初学VC很有帮助-This is an icon of the combo box to choose the category (2KB), helpful for novice VC

下压按钮、单选按钮、复选框和组合框的使用实例源码,很不错的vc源码，推荐！-Push buttons, radio buttons, check boxes and combo boxes use the example source code, source code vc very good, recommended!