#include "resource.h" 
 
CMyApp theApp; 
 
BOOL CMyApp::InitInstance() 
{ 
    CMainDialog dlg; 
    m_pMainWnd = &dlg;   //給m_pMainWnd 主窗口 
    dlg.DoModal(); 
    return FALSE; //不進入消息循環(huán) 
} 
 
 
BEGIN_MESSAGE_MAP(CMainDialog, CDialog) 
ON_BN_CLICKED(IDC_STOP, OnStop) 
ON_MESSAGE(WM_CUTTERSTART, OnCutterStart) //自定義消息 
END_MESSAGE_MAP() 
//CMainDialog 
CMainDialog::CMainDialog(CWnd* pParentWnd):CDialog(IDD_MAIN, pParentWnd) 
{ 
 
} 
BOOL CMainDialog::OnInitDialog( ) 
{ 
    CDialog::OnInitDialog(); 
    return TRUE; 
} 
void CMainDialog::OnStop() 
{ 
    MessageBox("OnStop"); 
} 
long CMainDialog::OnCutterStart(WPARAM wParam, LPARAM lParam)   //處理自定義消息 
{ 
    MessageBox("OnCutterStart"); 
    return 0; 
}

#include <afxwin.h> 
#define  WM_CUTTERSTART WM_USER+100 
//CMyApp 
class CMyApp:public CWinApp 
{ 
public: 
    BOOL InitInstance(); 
}; 
 
//CMyDialog 
class CMainDialog:public CDialog 
{ 
public: 
    CMainDialog(CWnd* pParentWnd = NULL); 
 
protected: 
    virtual BOOL OnInitDialog( ); 
    afx_msg void OnStop(); 
    afx_msg long OnCutterStart(WPARAM wParam, LPARAM lParam);  //處理自定義消息的聲明 
 
    DECLARE_MESSAGE_MAP() 
};