C / C++ / MFC

//Set Marquee Style to Progress Bar
SetWindowLongPtr(hwndProgressBar, GWL_STYLE, PBS_MARQUEE); 
//Turn On Marque
SendMessage(hwndProgressBar, PBM_SETMARQUEE, (WPARAM)TRUE, (LPARAM)100/*interval*/);

#if (_WIN32_WINNT >= 0x0501)
#define PBS_MARQUEE             0x08
#endif       // _WIN32_WINNT >= 0x0501

#if (_WIN32_WINNT >= 0x0501)
#define PBM_SETMARQUEE          (WM_USER+10)
#endif      // _WIN32_WINNT >= 0x0501

#define PBS_MARQUEE 0x08
#define PBM_SETMARQUEE (WM_USER+10)

class e
{
	...
public:
	static UINT myMainLoopFunc(LPVOID kodata)
        {
         ...
        }
};

e *pE = ...   //assign running instance of e. assign this pointer if from inside the class e.
AfxBeginThread(fnThreadProc, p);

//Thread proc definition
UINT fnThreadProc(LPVOID lpParam)
{
  E *pE = (*pE)lpParam;
  pE->myMainLoopFunc(); //call any public function in class e.
}