ntport.idl

这是一本学习 window编程的很好的参考教材

// NTPort.idl : NTPort 的 IDL 源
//

// 此文件将由 MIDL 工具处理以
// 产生类型库(NTPort.tlb)和封送处理代码。

import "oaidl.idl";
import "ocidl.idl";

[
	object,
	uuid(A9DC566D-020A-4037-81FB-74756C5C0F42),
	dual,
	nonextensible,
	helpstring("IDirectIO 接口"),
	pointer_default(unique)
]
interface IDirectIO : IDispatch{
	[id(1), helpstring("方法In")] HRESULT In([in] VARIANT vPort, [out,retval] VARIANT* pVal);
	[id(2), helpstring("方法Out")] HRESULT Out([in] VARIANT vPort, [in] VARIANT vVal);
	[id(3), helpstring("方法EnablePorts")] HRESULT EnablePorts([in] VARIANT vPortStart, [in] VARIANT vEnableNum);
	[id(4), helpstring("方法DisablePorts")] HRESULT DisablePorts([in] VARIANT vPortStart, [in] VARIANT vDisableNum);
};
[
	uuid(05043BB2-8AD4-4550-8203-A23563CFB838),
	version(1.0),
	helpstring("NTPort 1.0 类型库")
]
library NTPortLib
{
	importlib("stdole2.tlb");
	[
		uuid(B81DDDC5-0F67-4277-8AE5-52CCE7EC0DFD),
		helpstring("DirectIO Class")
	]
	coclass DirectIO
	{
		[default] interface IDirectIO;
	};
};