.IDL file, what is it?

.IDL and MDL file, what is it?

1. Including a .idl file in a C++ project

For example: you have an AFileName.idl

1. Add the AFileName.idl to you project: Right Click on The project->Add->Existing Item...
2. Click Right on The AFileName.idl from the project->Compile
3. The step 2 will generate AFileName_h.h, AFileName_i.c, AFileName_p.c,...
Now you can #include "AFileName_h.h" and use it, you also may need to add AFileName_i.c or other generated files to your project depending on your needs..

If you do add a .c file to your project you'll probably also have to change the file's C/C++ | Advanced | "Compile As" property to "Compile as C Code (/TC)" and may also have to set the file's C/C++ | Precompiled Headers | "Precompiled header" property to "Not using precompiled headers" –

2. Configuring a Win32 Project to Compile IDL

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3. https://stackoverflow.com/questions/40197182/import-idl-files-into-visual-studio-c

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4. Microsoft Documents

5. Basics of an IDL file

This article describes the basics of an IDL file..

6. How to add an IDL file to a Visual Studio Project

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7. MIDL: Compiling IDL files

he previous lesson introduced you to IDL. We defined IMyComInterface and IYourComInterface using IDL. This lesson builds on that work..

8. Interface Definition Language - IDL

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9. COM interface properties:: vtable

A COM interface contains a group of related COM methods. COM interfaces have the following properties. The runtime binary layout of a COM interface contains vtable. A vtable is a table of pointers to interface methods. A COM interface pointer is a pointer to a vtable.

Methods in a vtable are accessed by table position, not by method name. The placement of functions in a vtable is called vtable order..

10. COM Method Properties (binary requirements)

COM is a binary standard. This means that at its lowest level, COM methods and interfaces must follow a prescribed in-memory layout. COM also constrains the return type of a COM method. The following list summarizes the properties of a COM method..

11. Implementing COM objects

In previous lessons we used C++ classes to define COM interfaces, and looked at how to specify COM interfaces in IDL and the C++ class definitions created by compiling IDL files with MIDL. Our next step is to study the standard development paradigms used to develop COM objects in C++. In practice, three standard mechanisms are used. They all define one C++ class to implement a COM object. They differ in how the object's interfaces are handled..

12. IUnknown and Interface Navigation

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13. QueryInterface guidelines

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14. how to multi idl files to C++ code ?
15. Writing the IDL Interface

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16. The Hello Client-Server Example
17. IDL Files and Cpp

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18. Anatomy of an IDL File/a>

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19. https://docs.microsoft.com/en-us/windows/win32/com/midl-compilation

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20. MIDL Compilation

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21. MIDL Compiler Options

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22. Loading and Registering a Type Library

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23. Building and Registering a Proxy DLL

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24. C-Compiler Definitions for Proxy/Stubs

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25. IDL Attributes

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26. Compiler Attributes

Compiler attributes provide a variety of functionality..

27. IDL Files

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How do I invoke the MIDL compiler to generate a .TLB file (type library) from an .IDL file?

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28. Using the MIDL Compiler

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A good example to use MIDL compiler

29. MIDL Compiler
30. Defining an Interface with MIDL

MIDL files are text files that you can create and edit with a text editor. If you generate a UUID for your interface, you will typically store the output in a template MIDL file. For more information on UUIDs, see Generating Interface UUIDs..

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