midl COM - Exercise

Objective: Compile IMyComInterface.idl

Exercise Instructions

Create a file called IMyComInterface.idl.

Copy the IDL definition of IMyComInterface below into it.

import "unknwn.idl";

[object, uuid(673B0E01-4987-11d2-85C0-08001700C57F)]
interface IMyComInterface : IUnknown
{
HRESULT Fx1(CHAR *buf);
HRESULT Fx2();
}

[object, uuid(24A4A631-4B59-11d2-85C2-08001700C57F)]
interface IYourComInterface : IUnknown
{
HRESULT Zx1(LONG ix);
}

Run guidgen and paste your own uuid's into the uuid(...) in each interface attribute section.
Open a Command window.
Run vcvars32.bat from the Visual C++ bin directory.
Compile IMyComInterface.idl with MIDL as follows: midl IMyComInterface.idl.
Examine the contents of IMyComInterface.h and IMyComInterface_i.c to see how MIDL generates interface classes and IDs.

Exercise Scoring

This exercise is worth 5 points and is scored automatically. Follow the instructions listed above. When you are finished, click the Submit button for the exercise.