DCOM D-Mystified: A DCOM Tutorial, Step 4

// HelloServ.idl : IDL source for HelloServ.dll
//

// This file will be processed by the MIDL tool to
// produce the type library (HelloServ.tlb) and marshalling code.

import "oaidl.idl";
import "ocidl.idl";
	[
		object,
		uuid(706A50D1-6C74-11D4-A359-00104B732442),
	
		helpstring("IHelloWorld Interface"),
		pointer_default(unique)
	]
	interface IHelloWorld : IUnknown
	{
		[helpstring("method SayHello")] HRESULT SayHello();
	};

[
	uuid(27613737-6A27-11D4-A358-00104B732442),
	version(1.0),
	helpstring("HelloServ 1.0 Type Library")
]
library HELLOSERVLib
{
	importlib("stdole32.tlb");
	importlib("stdole2.tlb");

	[
		uuid(706A50D4-6C74-11D4-A359-00104B732442),
		helpstring("DHelloWorldEvents event interface")
	]
	dispinterface DHelloWorldEvents
	{
		properties:
		methods:
	};

	[
		uuid(706A50D3-6C74-11D4-A359-00104B732442),
		helpstring("HelloWorld Class")
	]
	coclass HelloWorld
	{
		[default] interface IHelloWorld;
		[default, source] dispinterface DHelloWorldEvents;
	};
};