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// TestClientDlg.cpp : implementation file
//
#include "stdafx.h"
#include "TestClient.h"
#include "TestClientDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
class CAboutDlg : public CDialog
{
public:
CAboutDlg();
// Dialog Data
//{{AFX_DATA(CAboutDlg)
enum { IDD = IDD_ABOUTBOX };
//}}AFX_DATA
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CAboutDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
//}}AFX_VIRTUAL
// Implementation
protected:
//{{AFX_MSG(CAboutDlg)
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
//{{AFX_DATA_INIT(CAboutDlg)
//}}AFX_DATA_INIT
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CAboutDlg)
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
//{{AFX_MSG_MAP(CAboutDlg)
// No message handlers
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CTestClientDlg dialog
CTestClientDlg::CTestClientDlg(CWnd* pParent /*=NULL*/)
: CDialog(CTestClientDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CTestClientDlg)
// 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 CTestClientDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CTestClientDlg)
// NOTE: the ClassWizard will add DDX and DDV calls here
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CTestClientDlg, CDialog)
//{{AFX_MSG_MAP(CTestClientDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_WM_DESTROY()
ON_BN_CLICKED(IDC_BUTTON_CALL_TEST_FUNCTION, OnButtonCallTestFunction)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CTestClientDlg message handlers
BOOL CTestClientDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// Add "About..." menu item to system menu.
// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
// 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
// TODO: Add extra initialization here
// ***** Create an instance of an object which implements IEventFiringObject. *****
m_spIEventFiringObject.CreateInstance(__uuidof(EventFiringObject));
// ***** Instantiate an IEventFiringObjectEventHandler object. *****
m_pIEventFiringObjectEventHandler = new IEventFiringObjectEventHandler(*this, m_spIEventFiringObject, &CTestClientDlg::OnEventFiringObjectInvoke);
return TRUE; // return TRUE unless you set the focus to a control
}
void CTestClientDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID, lParam);
}
}
// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.
void CTestClientDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
}
// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CTestClientDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
// ***** OnEventFiringObjectInvoke() is inoked by the TEventHandler based class object *****
// ***** when an event is fired from the COM object that implements IEventFiringObject. *****
HRESULT CTestClientDlg::OnEventFiringObjectInvoke
(
IEventFiringObjectEventHandler* pEventHandler,
DISPID dispidMember,
REFIID riid,
LCID lcid,
WORD wFlags,
DISPPARAMS* pdispparams,
VARIANT* pvarResult,
EXCEPINFO* pexcepinfo,
UINT* puArgErr
)
{
if (dispidMember == 0x01) // Event1 event.
{
// 1st param : [in] long lValue.
VARIANT varlValue;
long lValue = 0;
VariantInit(&varlValue);
VariantClear(&varlValue);
varlValue = (pdispparams -> rgvarg)[0];
lValue = V_I4(&varlValue);
TCHAR szMessage[256];
sprintf (szMessage, "Event 1 is fired with value : %d.", lValue);
::MessageBox (NULL, szMessage, "Event", MB_OK);
}
return S_OK;
}
void CTestClientDlg::OnDestroy()
{
CDialog::OnDestroy();
// TODO: Add your message handler code here
// ***** When the program is terminating, make sure that we instruct our *****
// ***** Event Handler to disconnect from the connection point of the *****
// ***** object which implemented the IEventFiringObject interface. *****
// ***** We also needs to Release() it (instead of deleting it). *****
if (m_pIEventFiringObjectEventHandler)
{
m_pIEventFiringObjectEventHandler -> ShutdownConnectionPoint();
m_pIEventFiringObjectEventHandler -> Release();
m_pIEventFiringObjectEventHandler = NULL;
}
}
void CTestClientDlg::OnButtonCallTestFunction()
{
// TODO: Add your control notification handler code here
// ***** Call the IEventFiringObject.TestFunction(). *****
// ***** This will cause the object which implements *****
// ***** IEventFiringObject to fire Event1. *****
m_spIEventFiringObject -> TestFunction(456);
}
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Lim Bio Liong is a Specialist at a leading Software House in Singapore.
Bio has been in software development for over 10 years. He specialises in C/C++ programming and Windows software development.
Bio has also done device-driver development and enjoys low-level programming. Bio has recently picked up C# programming and has been researching in this area.