C / C++ / MFC

LRESULT CALLBACK WindowProcedure(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch (message)                  /* handle the messages */
    {
           case WM_DESTROY:
           PostQuitMessage(0);        /* send a WM_QUIT to the message queue */
           break;
           default:                   /* for messages that we don't deal with */
           return DefWindowProc(hwnd, message, wParam, lParam);
    }
    return 0;
}

LRESULT CALLBACK WindowProcedure(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch (message)                  /* handle the messages */
    {
           case WM_CREATE:
           MessageBox (NULL, "Hello world!" , "test", 0 + MB_ICONASTERISK);
           break;
           case WM_DESTROY:
           PostQuitMessage(0);        /* send a WM_QUIT to the message queue */
           break;
           default:                   /* for messages that we don't deal with */
           return DefWindowProc(hwnd, message, wParam, lParam);
    }
    return 0;
}

  CString filepath = "C:\\temp.exe";<br />
<br />
  HINSTANCE err = ShellExecute(NULL, _T("open"), filepath , NULL, NULL, SW_SHOW);

BOOL CMyCustomCtrl::RegisterClass()<br />
{<br />
    WNDCLASS wndcls;<br />
    HINSTANCE hInst = AfxGetResourceHandle();<br />
<br />
    if(!(GetClassInfo(hInst, "MyWndClassName", &wndcls)))<br />
    {<br />
        wndcls.style            = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;<br />
        wndcls.lpfnWndProc      = ::DefWindowProc;<br />
        wndcls.cbClsExtra       = wndcls.cbWndExtra = 0;<br />
        wndcls.hInstance        = hInst;<br />
        wndcls.hIcon            = NULL;<br />
        wndcls.hCursor          = LoadCursor(NULL, IDC_ARROW);<br />
        wndcls.hbrBackground    = NULL;<br />
        wndcls.lpszMenuName     = NULL;<br />
        wndcls.lpszClassName    = "MyWndClassName";<br />
<br />
        if(!AfxRegisterClass(&wndcls))<br />
	{<br />
            AfxThrowResourceException();<br />
            return FALSE;<br />
        }<br />
    }<br />
    return TRUE;<br />
}

HINSTANCE hPrevHandle = AfxGetResourceHandle();<br />
AfxSetResourceHandle(YourDLL);

class CResourceHandler<br />
{<br />
public:<br />
    HINSTANCE m_prevHandle;<br />
<br />
public:<br />
    CResourceHandler(AFX_EXTENSION_MODULE &module);<br />
    {<br />
        m_prevHandle = AfxGetResourceHandle()<br />
        AfxSetResourceHandle(module.hModule);<br />
    }<br />
<br />
    CResourceHandler(HINSTANCE &handle)<br />
    {<br />
        m_prevHandle = AfxGetResourceHandle();<br />
        AfxSetResourceHandle(handle);<br />
    }<br />
<br />
    virtual ~CResourceHandler()<br />
    {<br />
        AfxSetResourceHandle(m_prevHandle);<br />
    }<br />
};

<br />
void CreateMyFormView()<br />
{<br />
    CResourceHandler rh(YourDLL.hModule);