typedef enum 
{
         COMIMAGE_FLAGS_ILONLY = 1,
         COMIMAGE_FLAGS_32BITREQUIRED = 2,
         COMIMAGE_FLAGS_IL_LIBRARY = 4,
         COMIMAGE_FLAGS_STRONGNAMESIGNED = 8,
         COMIMAGE_FLAGS_TRACKDEBUGDATA = 65536,
         COR_VERSION_MAJOR_V2 = 2,
         COR_VERSION_MAJOR = 2,
         COR_VERSION_MINOR = 0,
         COR_DELETED_NAME_LENGTH = 8,
         COR_VTABLEGAP_NAME_LENGTH = 8,
         NATIVE_TYPE_MAX_CB = 1,
         COR_ILMETHOD_SECT_SMALL_MAX_DATASIZE = 255,
         IMAGE_COR_MIH_METHODRVA = 1,
         IMAGE_COR_MIH_EHRVA = 2,
         IMAGE_COR_MIH_BASICBLOCK = 8,
         COR_VTABLE_32BIT = 1,
         COR_VTABLE_64BIT = 2,
         COR_VTABLE_FROM_UNMANAGED = 4,
         COR_VTABLE_FROM_UNMANAGED_RETAIN_APPDOMAIN = 8,
         COR_VTABLE_CALL_MOST_DERIVED = 16,
         IMAGE_COR_EATJ_THUNK_SIZE = 32,
         MAX_CLASS_NAME = 1024,
         MAX_PACKAGE_NAME = 1024
} ReplacesCorHdrNumericDefines;

Windows Vista Kernel Structures