typedef enum _SHGDNF { 
  SHGDN_NORMAL         = 0,
  SHGDN_INFOLDER       = 0x1,
  SHGDN_FOREDITING     = 0x1000,
  SHGDN_FORADDRESSBAR  = 0x4000,
  SHGDN_FORPARSING     = 0x8000
} SHGDNF;