C / C++ / MFC

void RunAuthenticate(LPVOID pThreadId); //decleration<br />
<br />
void MyClass::Authenticate(std::string userName, std::string password, int *balance, HWND hwnd)<br />
{<br />
    //working thread initialization<br />
    m_threadNum++; <br />
    HANDLE hThrd = (HANDLE)_beginthread(RunAuthenticate, 0, &m_threadNum);<br />
}<br />
//Global function<br />
void RunAuthenticate(LPVOID pThreadId)<br />
{<br />
    HWND hwnd = CComManager::GetInstance()->GetCallingWnd(pThreadId); //return the calling window hwnd<br />
    long proc;<br />
    DWORD hThread = ::GetWindowThreadProcessId(hwnd,(LPDWORD)&proc);<br />
    if(hThread != NULL)<br />
        ::PostThreadMessage((DWORD) hThread,(UINT)THREAD_FINISHED, (WPARAM)status, NULL);<br />
}

HDC hdc = NULL;
HRESULT result = m_lpDDSBack->GetDC(&hdc);  //m_lpDDSBack is my backbuffer surface
    wchar_t text[256] = "thank god";
    int x = 100;
    int y = 200;

    size_t length = wcslen(text);
CPTDDUtils::MyDrawText(hdc, x, y, text, length);

m_lpDDSBack->ReleaseDC(hdc);

void  CPTDDUtils::MyDrawText(HDC hdc, int x, int y, LPCTSTR lpString, int stringSize)
{
	/*HFONT*/ HGDIOBJ  hFont, hOldFont; 

	// Retrieve a handle to the variable stock font. 
	hFont = GetStockObject(ANSI_VAR_FONT); 

	// Select the variable stock font into the specified device context.
	if (hOldFont = SelectObject(hdc, hFont)) 
	{ 
		TextOut(hdc, x, y,lpString , stringSize); 

		// Restore the original font.	
		SelectObject(hdc, hOldFont); 
	}
}

Hanan888 wrote:

wchar_t wchar_t text[256] = "thank god";

wchar_t text[] = "thank god";

Hanan888 wrote:

size_t length = wcslen(text);

size_t length = sizeof(text)/sizeof(text[0]) - 1;