MIDL (Microsoft Interface Definition Language) is a text-based interface description language by Microsoft, based on the DCE/RPC IDL which it extends for use with the Microsoft Component Object Model. Its compiler is also called MIDL.
Questions tagged [midl]
186 questions
14
votes
3 answers
How can I get MIDL to search additional include directories for qualified paths
Update: Just over six months after opening a support call to Microsoft it has been rejected, they claim it is not a bug (since the documentation doesn't explicitly say that the behaviour seen isn't the correct one). They rejected the DCR saying that…
Motti
- 110,860
- 49
- 189
- 262
13
votes
3 answers
How to read a winmd (WinRT metadata file)?
A WinMD is a binary medadata file, that contains everything you need to learn about namespaces, types, classes, methods, parameters available in a native WinRT dll.
From Windows Runtime design:
The Windows Runtime is exposed using API metadata…
Ian Boyd
- 246,734
- 253
- 869
- 1,219
13
votes
2 answers
Upgrading VS2017 from 15.4.1 to 15.5.1 resulted in build error
I'm programming with the following tools/versions: Windows 10 / VS2017 Professional / C++
After I upgraded to 15.5.1 I got the following error:
MIDL2338: switches are contradictory - no_robust vs. - target
The Microsoft compiler error description…
trishm
- 133
- 1
- 7
8
votes
1 answer
How do I create a module defined function in a COM Type Library
The VBE7.dll type library used by VBA, has the following MIDL for the Conversion module:
[
dllname("VBE7.DLL"),
uuid(36785f40-2bcc-1069-82d6-00dd010edfaa),
helpcontext(0x000f6ebe)
]
module Conversion {
[helpcontext(0x000f6ea2)]
BSTR…
ThunderFrame
- 9,352
- 2
- 29
- 60
5
votes
2 answers
Invoke MIDL compiler from CMAKE
I am going to use MIDL compiler with CMAKE but unable to invoke MIDL compiler from CmakeList
That is command which I use to achieve my goal
add_custom_command(
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/IFace.h ${CMAKE_CURRENT_BINARY_DIR}/GUIDS.c…
definename
- 193
- 1
- 12
5
votes
1 answer
Importing interfaces in IDL from an external type library
I have two type libraries with COM interfaces that I wrote using ATL and Microsoft's IDL. I would like an interface in one library to inherit from an interface in the other.
Essentially, I would like to do the same thing that Steven described at How…
sourcenouveau
- 29,356
- 35
- 146
- 243
5
votes
1 answer
Consecutive interface function IDs
I have a COM object interface in midl like
interface InterfaceName : IDispatch
{
[id(1)] HRESULT FunA(...);
[id(2)] HRESULT FunB(...);
[id(3)] HRESULT FunC(...);
}
Are the ids required to be consecutive? Or can I define it like
interface…
chrizke
- 458
- 3
- 10
5
votes
2 answers
MIDL generates the same file for /env win32 and /env win64
In Visual Studio, when you compile foo.idl, MIDL generates the proxy information in foo_p.c.
Unfortunately, for Win32 and x64 files, it uses the same filename. For Win32, the file starts with:
#if !defined(_M_IA64) && !defined(_M_AMD64)
For x64,…
Roger Lipscombe
- 89,048
- 55
- 235
- 380
5
votes
1 answer
What do you do when MIDL can't create a tlb?
I am attempting to create a C# inproc server for sbtsv.idl (it is included with the Windows 8 SDK). Almost every instructions I find tell you to use MIDL to create a .tlb file then tlbimport to create the proxy dll.
However, if the IDL does not…
Scott Chamberlain
- 124,994
- 33
- 282
- 431
5
votes
1 answer
Getting IDL (for TLB) from a COM+ dll when it is not provided
I have a .dll that contains some directshow filters (COM) with specific/custom interfaces to query.
Most 3rd party directshow components contain embedded .tlb files that can be used for cross-enviroment communication (C# typelib import).
I would…
Paul Knopf
- 9,568
- 23
- 77
- 142
5
votes
2 answers
Any sense in marking an IUnknown-derived interface as dual in IDL?
Reviewing our code I've found a curious definition in one of .idl files:
[
object,
uuid(uuidhere),
dual,
nonextensible,
oleautomation,
hidden
]
interface IOurInterface : IUnknown {
//methods here
};
How can an interface…
sharptooth
- 167,383
- 100
- 513
- 979
5
votes
2 answers
MIDL changes case of identifier when compiling IDL file
I've got a snippet of IDL that looks like this:
[ object, uuid(...), pointer_default(unique) ]
interface IVirtualMachine { /* ... */ }
[ object, uuid(...), pointer_default(unique) ]
interface IVirtualServer : IUnknown
{
HRESULT…
Roger Lipscombe
- 89,048
- 55
- 235
- 380
4
votes
2 answers
What is stdole2.tlb
stdole32.tlb contains all base type definitions, and every lib must import it, if we use MIDL. But when I created ATL DLL project, lib file looks like that
import "oaidl.idl";
import "ocidl.idl";
[
uuid(4CA3ADAD-AE53-4D80-AF26-176BAF8223B1),
…
Alecs
- 2,256
- 8
- 32
- 45
4
votes
1 answer
VS2008 C++ compiler keeps asking to build the project
Possible Duplicate:
Visual studio keeps building everything
I have a project that includes an idl file that generates a .c file that is included in another file of the same project.
I build this project and all is fine, I then try to run the…
Gary Miller
- 43
- 4
4
votes
0 answers
Syntax error while converting IDL to C header
I am trying to get C header files for COM interfaces using OLE/COM object viewer.
I have tries to save type library as header file in object viewer, however, after a cmd window flashes, nothing happens. I have tried to save it as IDL file and…
yasar
- 13,158
- 28
- 95
- 160