Mobile

std::vector< char > data; // file is ASCII, use wchar_t here otherwise
HANDLE h = CreateFile(filename , GENERIC_READ, 0, 0, OPEN_EXISTING, 0, 0);
DWORD fs = GetFileSize(h, 0);
data.resize(fs / sizeof(char) ); // file is ASCII, use wchar_t here otherwise
DWORD read = 0;
ReadFile(h, data.begin(), fs, &read, 0); // &data[0] is perhaps more safe iso .begin()
CloseHandle(h);
ASSERT(read == fs);
data.push_back(0);
//

if (ReadFile (hFile, pBuffer, dwFileLength, &dwBytesRead, NULL))
{
    pBuffer[dwFileLength - 1] = '\0';
              USES_CONVERSION;
    SetString(A2W(pBuffer));//calls this function:
    //void SetString(const CString &strHtml){...}
}

bool a2w(std::wstring& w, const std::string& a)
{
	w.resize(a.length());
        w[0] = L'\0';
	if ( MultiByteToWideChar(CP_ACP, 0, a.begin(), -1, w.begin(), a.length()) == 0)
            return false;
	return true;
}

void CSTHtmlDialog::DoSomething(const CString strFilePath)
{
  HANDLE hFile;
  DWORD dwBytesRead;

  hFile = CreateFile (strFilePath, 
                      GENERIC_READ, // Open for reading
                      0, // Do not share
                      NULL, // No security
                      OPEN_EXISTING, // Existing file only
                      FILE_ATTRIBUTE_NORMAL, // Normal file
                      NULL); // No template file

  DWORD dwFileLength = GetFileSize(hFile, NULL)
  wchar_t* pBuffer = new char[dwFileLength/sizeof(wchar_t)];

  if (ReadFile (hFile, reinterpret_cast<char*>(pBuffer), dwFileLength, &dwBytesRead, NULL))
  {
    pBuffer[dwFileLength - 1] = L'\0';
    SetString(pBuffer);//calls this function:
    //void SetString(const CString &strHtml){...}
  }

  CloseHandle (hFile);
  delete[] pBuffer;
  pBuffer = 0;
  return;
} 

GetParent()->PostMessage(WM_CLOSE);
// Close the dialog here

TCHAR *pBuffer;
DWORD dwSize = GetFileSize(hFile);

pBuffer = new TCHAR[dwSize];
if(pBuffer)
{
    // Read the file using pBuffer as destination
    delete [] pBuffer;
}
else
{
    // Memory allocation error
}