Windows编程

开发平台：

Visual C++

CDINFO.IDL：源码内容

							#include <olectl.h>
// CDInfo.idl : IDL source for CDInfo.dll
//
// This file will be processed by the MIDL tool to
// produce the type library (CDInfo.tlb) and marshalling code.
	[
		object,
		uuid(A393BE4F-2FBD-11D0-B939-000000000000),
		dual,
		helpstring("ICDInfo Interface"),
		pointer_default(unique)
	]
	interface ICDInfo : IDispatch
	{
		import "oaidl.idl";
		import "ocidl.idl";
		[propget, id(0)] HRESULT Tracks([out, retval] short* pTracks);
		[propput, id(0)] HRESULT Tracks([in] short Tracks);
		[propget, id(1)] HRESULT Length([in] short Track, [out, retval] short* pLength);
		[propput, id(1)] HRESULT Length([in] short Track, [in] short nLength);
		[propget, id(2)] HRESULT TotalLength([out, retval] short* pLength);
		HRESULT	Read([out, retval] short* pTracks);
		HRESULT Redraw();
		HRESULT Play([in] short Track);
	};
[
	uuid(A393BE4C-2FBD-11D0-B939-000000000000),
	version(1.0),
	helpstring("CDInfo 1.0 Type Library")
]
library CDINFOLib
{
	importlib("stdole32.tlb");
	[
		uuid(3F85F440-3283-11d0-96A9-00A0C90DC94B),
		helpstring("Event interface for CDInfo Control")
	]
	dispinterface CDEvents
	{
		properties:
		methods:
		[id(1)] void Click([in] short nTrack);
	};
	
	[
		uuid(A393BE4E-2FBD-11D0-B939-000000000000),
		helpstring("CDInfo Class")
	]
	coclass CCDInfo
	{
		[default] interface ICDInfo;
		[default, source] dispinterface CDEvents;
	};
};

						