C / C++ / MFC

_ConnectionPtr pConn = NULL;
    // Define string variables for ADO connection
    _bstr_t strCon("Driver={MySQL ODBC 5.1 Driver};Database="";User=root; Password=root;Option=3;");

    HRESULT hr = S_OK;

    //Initialize the COM Library
    CoInitialize(NULL);

	   hr = pConn.CreateInstance((__uuidof(Connection)));
        if(FAILED(hr))
        {
            AfxMessageBox("Error instantiating Connection object\n");
           
        }


        hr = pConn->Open(strCon,"root","root",0);
        if(FAILED(hr))
        {
            AfxMessageBox("Error Opening Database object using ADO _ConnectionPtr \n");
            
        }
		
		
	
		::_RecordsetPtr rs;

		rs = pConn->Execute(_bstr_t("use Databases"), 0, adCmdText);
		
		 rs = pConn->Execute(_bstr_t("Select * from tatblename"), 0, adCmdText);

CWnd *pWnd=new CWnd();
BOOL bo,be,bc;
//========================================================
// get application Wnd pointer 
//========================================================
	pWnd= GetOpenClipboardWindow();

//OR
	pWnd=FindWindow("Application class name","Application title");
//======================================================
//open , empty  and close clipboard
//======================================================
	if(pWnd)
	{
	  bo=pWnd->OpenClipboard();    // return false
	  be=EmptyClipboard();            //return false
	  bc=CloseClipboard();            //returnfalse
	}