C / C++ / MFC

void cList::Save(void)
{
	cListElement *pSave;

	pSave = pFirst;

	ofstream File;

	File.open("Data.dat", ios::trunc);

	while (pSave != NULL)
	{
		File << pSave->szData1  << endl;
		File << pSave->szData2  << endl;
		File << pSave->szData3  << endl;
		File << pSave->szData4  << endl;
		File << pSave->szData5  << endl;
		File << pSave->szData6  << endl;
		File << pSave->szData7  << endl;
		File << pSave->szData8  << endl;
		File << pSave->szData9  << endl;
		File << pSave->szData10 << endl;
		File << pSave->szData11 << endl;

		pSave = pSave->pNext;
	}

        File.close();
}

SOMEAPP_API LRESULT CALLBACK SomeAppProc( HWND hwnd, UINT unMsg, WPARAM wParam, LPARAM lParam )
{ 
    case WM_NOTIFY: 
    {  
        switch(((LPNMHDR) lParam)->code)
        {       
            case TVN_SELCHANGED:    
                LPNMTREEVIEW pnmtv = (LPNMTREEVIEW) lParam ;   
                break;  
            <code>default:
                char szBuffer[128];
                sprintf(szBuffer, "Received notification %#x\n", ((LPNMHDR) lParam)->code);
                OutputDebugString(szBuffer);
                break;</code>
        }  
 
        break; 
    }
}