C / C++ / MFC

class CTestDlg : public CDialog, private CStringParser 
{

// Construction
public:
	CTest123Dlg(CWnd* pParent = NULL);	// standard constructor


  /// blah

private:

       int ProcessCommand(
           const std::String &inputBuffer);

}

int ProcessCommand(<br />
           const std::String &inputBuffer)=0; 

//----------------------------------------------------
// Simple way in order to backup a file from the HDD 
// to a 3 1/2 floppy.
//----------------------------------------------------
ireturn = CopyFile(csFullPathSource, csFullPathDestination, FALSE);

if (ireturn == 0)
{
	iErrors++;
	csAuxiliar += " : registrado error en éste proceso";

	bTrobatError = true;
}

//----------------------------------------------------
// In order to maintain a control of what is happening...
// The log is written to the same disk...
// This allows the user to know what that disk contents, 
// backup sessions active...
//----------------------------------------------------
dwFileSize = GetFileSize(hLog,NULL);
SetFilePointer (hLog, dwFileSize, NULL, FILE_BEGIN);

WriteFile(hLog,
	  csLog,
  	  strlen(csLog),
	  &dwNBWritten,
	  NULL);

CloseHandle(hLog);
csLog.ReleaseBuffer(0);