SHGetFileInfo(dlg.GetPathName(),  
                         0,  
                         &sfi,  
                         sizeof(sfi),  
                         SHGFI_LARGEICON | SHGFI_DISPLAYNAME |
                         SHGFI_USEFILEATTRIBUTES );
.
..
...
...
int y=m_imagelist.Add(sfi.hIcon);//中显示sfi.hIcon=0X00000000
请问怎么解决?