testmsg_atldlg.cpp

EVC4下创建和使用ATL控件的例子和讲解

// TestMsg_ATLDlg.cpp : implementation file
//

#include "stdafx.h"
#include "TestMsg_ATL.h"
#include "TestMsg_ATLDlg.h"

#include "..\Msg_ATL\Msg_ATL.h"

const IID IID_IProcess = {0x7E9C8D77,0x2271,0x47AC,{0x8D,0x30,0xA4,0xE7,0xA8,0xEB,0xAE,0x3E}};

const CLSID CLSID_Process = {0x8FB98E70,0x926E,0x4C99,{0x99,0xD3,0x93,0x4C,0x78,0x37,0x0F,0xB7}};


#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CTestMsg_ATLDlg dialog

CTestMsg_ATLDlg::CTestMsg_ATLDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTestMsg_ATLDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTestMsg_ATLDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CTestMsg_ATLDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTestMsg_ATLDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTestMsg_ATLDlg, CDialog)
	//{{AFX_MSG_MAP(CTestMsg_ATLDlg)
	ON_BN_CLICKED(IDC_TEST, OnTest)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTestMsg_ATLDlg message handlers

BOOL CTestMsg_ATLDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	CenterWindow(GetDesktopWindow());	// center to the hpc screen

	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}



void CTestMsg_ATLDlg::OnTest() 
{
	// 声明HRESULT和Simple_ATL接口指针
	HRESULT			hr;
	IProcess		*IProcess = NULL;

	// 初始化COM
	hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);

	// 使用 SUCCEEDED 宏并检查我们是否能得到一个接口指针 
	if(SUCCEEDED(hr))
	{
		hr = CoCreateInstance( CLSID_Process, NULL, CLSCTX_INPROC_SERVER,
						IID_IProcess, (void**) &IProcess);
		
		// 如果成功，则调用Show方法，否则显示相应的出错信息
		if(SUCCEEDED(hr))
		{
			IProcess->Show();
			IProcess->Release();  
		}
		else
		{
			AfxMessageBox(L"CoCreateInstance Failed.");
		}
	}
	// 释放 COM
	CoUninitialize();
}