sam_2.idl

专题讲座二：内容包括ActiveX控件介绍、利用MFC开发ActiveX控件、 利用ATL（ActiveX模板库）创建ActiveX控件、调试并使用ActiveX控件等

#include <olectl.h>
// sam_2.idl : IDL source for sam_2.dll
//

// This file will be processed by the MIDL tool to
// produce the type library (sam_2.tlb) and marshalling code.

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

	

	[
		object,
		uuid(539E78EE-D726-11D3-9B30-52544C393A8C),
		dual,
		helpstring("IATLSam Interface"),
		pointer_default(unique)
	]
	interface IATLSam : IDispatch
	{
		[id(1), helpstring("设置显示字符号")] HRESULT SetCaption([in]BSTR pszCaption);
		[id(2), helpstring("得到文字长度")] HRESULT GetCaptionLength([out]long* lLen);
	};
[
	uuid(539E78E1-D726-11D3-9B30-52544C393A8C),
	version(1.0),
	helpstring("sam_2 1.0 Type Library")
]
library SAM_2Lib
{
	importlib("stdole32.tlb");
	importlib("stdole2.tlb");

	[
		uuid(539E78EF-D726-11D3-9B30-52544C393A8C),
		helpstring("ATLSam Class")
	]
	coclass ATLSam
	{
		[default] interface IATLSam;
	};
};