textfiledb.idl

Chapter08-Transactions.rar com example

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

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

import "oaidl.idl";
import "ocidl.idl";
	
	[
		object,
		uuid(89D0CF05-B22D-400E-9823-05EC7349E084),
		dual,
		helpstring("IMyFileDB Interface"),
		pointer_default(unique)
	]
	interface IMyFileDB : IDispatch
	{
		[id(1), helpstring("method Open")] HRESULT Open([in] BSTR bsFilePath);
		[id(2), helpstring("method GetBalance")] HRESULT GetBalance([in] BSTR bsClient, [out, retval] long* plBalance);
		[id(3), helpstring("method UpdateBalance")] HRESULT UpdateBalance([in] BSTR bsClient, [in] long lNewBalance);
	};
	
	[
		object,
		uuid(A6E9FDC3-BA2F-4E58-B620-C3524CA5FE09),
		helpstring("IMyFileDBCompensator Interface"),
		pointer_default(unique)
	]
	interface IMyFileDBCompensator : IUnknown
	{
	};

[
	uuid(A488996C-EED8-40D2-ABB3-438771CD81C6),
	version(1.0),
	helpstring("TextFileDB 1.0 Type Library")
]
library TEXTFILEDBLib
{
	importlib("stdole32.tlb");
	importlib("stdole2.tlb");

	
	[
		uuid(7F99F9F5-37F1-43D2-B4D1-46EDD44E440C),
		helpstring("MyFileDB Class")
	]
	coclass MyFileDB
	{
		[default] interface IMyFileDB;
	};
	
	[
		uuid(C2230D95-43A9-46CF-B6ED-135CA0BD5C5C),
		helpstring("MyFileDBCompensator Class")
	]
	coclass MyFileDBCompensator
	{
		[default] interface IMyFileDBCompensator;
	};
};