Imagecombobox是mfc标准类Ccombobox的扩展。在标准类的基础上实现了插入图片的功能。并且还支持不同层次的条目显示，使得界面更为丰富美观。-Mfc standards Imagecombobox is Ccombobox category expansion. In the standard categories based on the function of the inserted image. And also supports different levels of entry, making the interface more attractive rich.