怎么给便wxwidgets的wxgenericdirctrl的盘符和文件夹图标

如何给便wxwidgets的wxgenericdirctrl的盘符和文件夹图标
使用codeblocks建立wxwidgets工程，看到有一个wxgenericdirctrl，显示电脑中的盘符、文件夹很方便，但是觉得图标太丑了，如何换图标啊

------解决方案--------------------
http://docs.wxwidgets.org/trunk/classwx_tree_ctrl.html
void AssignButtonsImageList (wxImageList *imageList) 
Sets the buttons image list. 
 
void AssignImageList (wxImageList *imageList) 
Sets the normal image list. 
 
void AssignStateImageList (wxImageList *imageList) 
Sets the state image list.

------解决方案--------------------

探讨

http://docs.wxwidgets.org/trunk/classwx_tree_ctrl.html
void AssignButtonsImageList (wxImageList *imageList)
Sets the buttons image list.

void AssignImageList (wxImageList *imageList)
……