mycomclient.cpp

Visual C++高级编程及其项目应用开发(含源代码)

// MyComClient.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "MyComClient.h"
#include "MyComClientDlg.h"

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

#include "..\TimeLogServer\ITimeLogServer.h"
//#import "TimeLogServer.dll"

/////////////////////////////////////////////////////////////////////////////
// CMyComClientApp

BEGIN_MESSAGE_MAP(CMyComClientApp, CWinApp)
	//{{AFX_MSG_MAP(CMyComClientApp)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG
	ON_COMMAND(ID_HELP, CWinApp::OnHelp)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyComClientApp construction

CMyComClientApp::CMyComClientApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
	m_pIUnknown = NULL;
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CMyComClientApp object

CMyComClientApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CMyComClientApp initialization

BOOL CMyComClientApp::InitInstance()
{
	AfxEnableControlContainer();

	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.

#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif


	HRESULT hResult;
	hResult = ::CoInitialize(NULL);
	if(FAILED(hResult))
	{
		::AfxMessageBox("不能初始化COM库!");
		return FALSE;
	}
	
    //创建组件实例
	hResult = ::CoCreateInstance(CLSID_TimeLogServer,NULL,
		CLSCTX_INPROC_SERVER,IID_IUnknown,(void**)&m_pIUnknown);
	if(FAILED(hResult))
	{
		m_pIUnknown = NULL;
		::AfxMessageBox("不能创建TimeLog对象!");
		return FALSE;
	}
    //查询接口并使用
	if(m_pIUnknown!=NULL)
	{
		ITimeLog* pITimeLog;
		hResult=m_pIUnknown->QueryInterface(IID_ITimeLog,(void**)&pITimeLog);
		if(FAILED(hResult))
		{
			::AfxMessageBox("不能获取接口ITimeLog!");
			m_pIUnknown->Release();
			return FALSE;
		}
		BSTR bstrLogText;
		
		bstrLogText = m_logtext.AllocSysString();
		CString text((LPCWSTR)bstrLogText);
								
		if(FAILED(pITimeLog->OutputLog(&bstrLogText)))
		{
			::AfxMessageBox("日志输出出错!");
			pITimeLog->Release();
			return FALSE;
		}
		pITimeLog->Release();
		::AfxMessageBox("日志已经写入!");
	}

	CMyComClientDlg dlg;
	m_pMainWnd = &dlg;
	int nResponse = dlg.DoModal();
	if (nResponse == IDOK)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
	}
	else if (nResponse == IDCANCEL)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with Cancel
	}

	// Since the dialog has been closed, return FALSE so that we exit the
	//  application, rather than start the application's message pump.
	return FALSE;
}

int CMyComClientApp::ExitInstance() 
{
	// TODO: Add your specialized code here and/or call the base class
	if(m_pIUnknown !=NULL)
	{
		m_pIUnknown->Release();
		m_pIUnknown = NULL;
    }
	::CoUninitialize();

	return CWinApp::ExitInstance();
}