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