COM

<br />
Public Event paramsback(ByVal x As Long, ByVal y As Single, ByVal z As Double)<br />
<br />
Public Sub PassItIn(ByVal x As Long, ByVal y As Single, ByVal z As Double)<br />
    <br />
    RaiseEvent paramsback(x, y, z)<br />
    <br />
End Sub<br />

<br />
#include "stdafx.h"<br />
#include <stdio.h><br />
<br />
// Importing the server's type library<br />
#import "ABIG_VBOCXTEST.ocx" no_namespace named_guids<br />
<br />
CComModule _Module;<br />
<br />
// Sink interface class. Using a reserved word "interface" instead of<br />
// "class" is purely more descriptive. Changing it to "class" won't<br />
// effect anything. The last two parameters are 1,0 - the server's<br />
// type library version.<br />
interface CSink:public IDispEventImpl<0, CSink, &DIID___mytestcontrol, &LIBID_ABIG_VBOCXTEST, 6, 0><br />
{<br />
public:<br />
<br />
// Where we pass 0x01 - is the ID of our event function,<br />
// can be anything, depending on the server implementation.<br />
BEGIN_SINK_MAP(CSink)<br />
	SINK_ENTRY_EX(0, DIID___mytestcontrol, 0x1, Onparamsback)<br />
END_SINK_MAP()<br />
<br />
// The only event handler we have. The standard of "HRESULT __stdcall"<br />
// is compulsory for the function to be treated correctly.<br />
	HRESULT __stdcall Onparamsback(long x, float y,double z)<br />
	{<br />
	   	printf("Event = %d,%6.2f,%6.2g",x,y,z);<br />
<br />
		return S_OK;<br />
	}<br />
};<br />
<br />
void main()<br />
{<br />
	// Entering primary STA<br />
	CoInitialize(NULL);<br />
<br />
	// Initializing ATL<br />
	_Module.Init(NULL, GetModuleHandle(NULL));<br />
<br />
	_mytestcontrolPtr server;<br />
	<br />
	// Creating an instance of the server<br />
	server.CreateInstance(CLSID_mytestcontrol);<br />
<br />
	CSink sink;<br />
	<br />
	// Connecting to the server's outgoing interface<br />
	sink.DispEventAdvise(server);<br />
<br />
	// Making the server fire the only event it has<br />
	server->PassItIn(302,429.0,460.0);<br />
<br />
	// Disconnecting from the server's outgoing interface<br />
	sink.DispEventUnadvise(server);<br />
	<br />
	// Releasing the server's instance<br />
	server.Release();<br />
<br />
	// These two invocations are optional, and will be called<br />
	// implicitly, if not specified. However, good manners<br />
	// suggest that they both be put in explicitly:<br />
	<br />
	// 1. Terminating ATL support<br />
	_Module.Term();<br />
	<br />
	// 2. Quitting primary STA<br />
	CoUninitialize();<br />
}<br />

<br />
// stdafx.h : include file for standard system include files,<br />
//  or project specific include files that are used frequently, but<br />
//      are changed infrequently<br />
//<br />
<br />
#if !defined(AFX_STDAFX_H__70227B2B_B9C9_4FC9_A100_2619AB307158__INCLUDED_)<br />
#define AFX_STDAFX_H__70227B2B_B9C9_4FC9_A100_2619AB307158__INCLUDED_<br />
<br />
#if _MSC_VER > 1000<br />
#pragma once<br />
#endif // _MSC_VER > 1000<br />
<br />
#define _ATL_MAX_VARTYPES 16<br />
<br />
#include <atlbase.h><br />
//You may derive a class from CComModule and use it if you want to override<br />
//something, but do not change the name of _Module<br />
extern CComModule _Module;<br />
#include <atlcom.h><br />
<br />
// TODO: reference additional headers your program requires here<br />
<br />
//{{AFX_INSERT_LOCATION}}<br />
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.<br />
<br />
#endif // !defined(AFX_STDAFX_H__70227B2B_B9C9_4FC9_A100_2619AB307158__INCLUDED_)<br />

<br />
#include "stdafx.h"<br />