Reserved keywords
This topic lists the reserved keywords in MIDL. You may not use these keywords in the names of your runtime classes and members.
List of keywords that are reserved
FALSE
ISO_LATIN_1
ISO_UCS
ISO_MULTI_LINGUAL
NULL
SAFEARRAY
TRUE
__alignof
__asm
__cdecl
__declspec
__export
__external_symbol
__far
__fastcall
__float128
__float80
__fortran
__huge
__inline
__int128
__int32
__int3264
__int64
__interface_interception_info
__loadds
__method_property
__near
__pascal
__ptr32
__ptr64
__saveregs
__segment
__self
__stdcall
__unaligned
__w64
__winrt_type_serialization_info
_asm
_cdecl
_declspec
_export
_far
_fastcall
_fortran
_huge
_inline
_loadds
_near
_pascal
_saveregs
_segment
_self
_stdcall
auto
boolean
byte
case
cdecl
char
coclass
const
contract
cpp_quote
declare_guid
default
dispinterface
double
enum
extern
far
float
handle_t
hyper
import
importlib
include
inline
int
interface
library
long
methods
midl_pragma
module
near
pascal
pipe
private_char_16
private_char_8
properties
register
short
signed
sizeof
small
static
stdcall
struct
switch
typedef
union
unsigned
void
volatile
List of keywords that are reserved within a "[ ]" combination
aggregatable
align
allocate
annotation
appobject
async
async_uuid
auto_handle
bem_handle
bindable
broadcast
bstring
byte_count
call_as
callback
code
comm_status
context_handle
context_handle_noserialize
context_handle_serialize
control
cs_char
cs_drtag
cs_rtag
cs_stag
cs_tag_rtn
custom
custom_allocator
decode
default_allocator
defaultbind
defaultcollelem
defaultvalue
defaultvtable
disable_consistency_check
displaybind
dllname
dual
enable_allocate
encode
endpoint
entry
explicit_handle
extension
fault_status
first_is
force_allocate
funcdescattr
handle
heap
helpcontext
helpfile
helpstring
helpstringcontext
helpstringdll
hidden
hostContract
id
idempotent
idldescattr
ignore
iid_is
immediatebind
implicit_handle
in
in_line
input_sync
interpret
last_is
lcid
length_is
licensed
local
local_call
long_enum
manual
max_is
maybe
message
min_is
ms_conf_struct
ms_union
nocode
nointerpret
nonbrowsable
noncreatable
nonextensible
notify
notify_flag
object
odl
off_line
oleautomation
optimize
optional
optional_interface
out
out_of_line
partial_ignore
pointer_default
predeclid
propget
propput
propputref
proxy
ptr
public
range
readonly
ref
replaceable
represent_as
requestedit
restricted
retval
sh_composition
sh_event
sh_file
sh_job
sh_mutex
sh_pipe
sh_process
sh_reg_key
sh_section
sh_semaphore
sh_socket
sh_thread
sh_token
shape
short_enum
size_is
source
strict_context_handle
string
switch_is
switch_type
system_handle
transmit_as
type_strict_context_handle
typedescattr
uidefault
unaligned
unique
user_marshal
usesgetlasterror
uuid
v1_array
v1_enum
v1_string
v1_struct
vararg
vardescattr
version
winrt_remote_async
wire_marshal
zeroout_alignmentgap