// BeepButton.h内
class CBeepButton : public CWindowImpl<CBeepButton>
{
public:
    DECLARE_WND_SUPERCLASS(_T("BeepButton"), _T("BUTTON"))

    BEGIN_MSG_MAP_EX(CBeepButton)
        MSG_WM_LBUTTONDOWN(OnLButtonDown)
    END_MSG_MAP()

    void OnLButtonDown(UINT uFlags, CPoint pt){
        MessageBeep(MB_ICONASTERISK);
        SetMsgHandled(FALSE);
    }
};
			

// stdafx.h内
#include <atlbase.h>
#include <atlapp.h>
extern CAppModule _Module;
#include <atlwin.h>

#include <atlcrack.h>
#include <atlmisc.h>
			

// maindlg.h内
class CMainDlg : public CDialogImpl<CMainDlg>
{
public:
    enum { IDD = IDD_MAINDLG };

    enum { IDC_BUTTON_BEEP = 1001 };
    CBeepButton m_button_beep;

    // メッセージマップ
    BEGIN_MSG_MAP_EX(CMainDlg)
        MSG_WM_INITDIALOG(OnInitDialog)
        COMMAND_ID_HANDLER_EX(IDOK, OnOK)
        COMMAND_ID_HANDLER_EX(IDCANCEL, OnCancel)
    END_MSG_MAP()

    LRESULT OnInitDialog(HWND hWnd, LPARAM lParam){
        // スクリーンの中央に配置
        CenterWindow();

        // 大きいアイコン設定
        HICON hIcon = AtlLoadIconImage(IDR_MAINFRAME, LR_DEFAULTCOLOR,
            ::GetSystemMetrics(SM_CXICON), ::GetSystemMetrics(SM_CYICON));
        SetIcon(hIcon, TRUE);
        
        // 小さいアイコン設定
        HICON hIconSmall = AtlLoadIconImage(IDR_MAINFRAME, LR_DEFAULTCOLOR,
            ::GetSystemMetrics(SM_CXSMICON), ::GetSystemMetrics(SM_CYSMICON));
        SetIcon(hIconSmall, FALSE);

        // コントロール作成
        m_button_beep.Create(m_hWnd, CRect(0, 0, 200, 30),
            _T("ビープボタン"), WS_CHILD | WS_VISIBLE, 0, IDC_BUTTON_BEEP);
        m_button_beep.SetFont(GetFont());
        m_button_beep.CenterWindow();

        return TRUE;
    }

    void OnOK(UINT uNotifyCode, int nID, HWND hWndCtl){
        EndDialog(nID);
    }

    void OnCancel(UINT uNotifyCode, int nID, HWND hWndCtl){
        EndDialog(nID);
    }
};
			

// Control.cpp内
#include "stdafx.h"

#include "resource.h"

#include "BeepButton.h"
#include "maindlg.h"

CAppModule _Module;

int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE, LPTSTR lpCmdLine, int nCmdShow)
{
    HRESULT hRes = ::CoInitialize(NULL);
    ATLASSERT(SUCCEEDED(hRes));

    ::DefWindowProc(NULL, 0, 0, 0L);

    AtlInitCommonControls(ICC_COOL_CLASSES | ICC_WIN95_CLASSES);

    hRes = _Module.Init(NULL, hInstance);
    ATLASSERT(SUCCEEDED(hRes));

    int nRet = 0;
    // BLOCK: アプリケーション実行
    {
        CMainDlg dlgMain;
        nRet = dlgMain.DoModal();
    }

    _Module.Term();
    ::CoUninitialize();

    return nRet;
}