C / C++ / MFC

         int length;
 char * buffer;

ifstream is;
is.open (f2, ios::binary );

// get length of file:
 is.seekg (0, ios::end);
length = is.tellg();
is.seekg (0, ios::beg);

// allocate memory:
buffer = new char [length];

// read data as a block:
is.read (buffer,length);

is.close();
buffer[length]=0;

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#define CDM_LAST        (WM_USER + 200)<br />

These values cannot be used to define messages that are meaningful throughout an application, because some predefined window classes already define values in this range. For example, predefined control classes such as BUTTON, EDIT, LISTBOX, and COMBOBOX may use these values. 

if (abc == "a")

if(!strcmp(abc, "a")

_bstr_t bstrFile(L"");

CFileDialog pDialog1(TRUE,"*.bmp", "*.bmp", OFN_HIDEREADONLY ,"Image Files
                             (*.bmp;*.dib;*.gif;*.jpg;*.jpe;*.ico;*.cur)");
pDialog1.m_ofn.lpstrTitle = "Open Sketch";
if(pDialog1.DoModal() == IDOK)
{
    CFile file((LPCTSTR)pDialog1.GetFileName(),CFile::modeRead);
    bstrFile1 = file.GetFilePath();
}

strmBlob->Type = adTypeBinary;
strmBlob->Open(vtEmpty,adModeUnknown,adOpenStreamUnspecified,bstrEmpty,bstrEmpty);

// load image to the blob field
if(bstrFile strmBlob->LoadFromFile(bstrFile);