| nIDBitmap | 预定义的Windows位图的ID号。具体定义在头文件WINDOWS.H中。可用的值如下: 
| OBM_BTNCORNERS | OBM_OLD_RESTORE |  | OBM_BTSIZE | OBM_OLD_RGARROW |  | OBM_CHECK | OBM_OLD_UPARROW |  | OBM_CHECKBOXES | OBM_OLD_ZOOM |  | OBM_CLOSE | OBM_REDUCE |  | OBM_COMBO | OBM_REDUCED |  | OBM_DNARROW | OBM_RESTORE |  | OBM_DNARROWD | OBM_RESTORED |  | OBM_DNARROWI | OBM_RGARROW |  | OBM_LFARROW | OBM_RGARROWD |  | OBM_LFARROWD | OBM_RGARROWI |  | OBM_LFARROWI | OBM_SIZE |  | OBM_MNARROW | OBM_UPARROW |  | OBM_OLD_CLOSE | OBM_UPARROWD |  | OBM_OLD_DNARROW | OBM_UPARROWI |  | OBM_OLD_LFARROW | OBM_ZOOM |  | OBM_OLD_REDUCE | OBM_ZOOMD |  |