C / C++ / MFC

struct FindHwndWithProcIdStruct{
	DWORD dwProcId;
	HWND hWnd;	// handle of window
};
HWND DoFindWindowWithProcId(DWORD dwProcessId)
{
	FindHwndWithProcIdStruct myProcIdStruct = { 0 };
	myProcIdStruct.dwProcId = dwProcessId;
	::EnumWindows(gfnEnumWindowProc, (LPARAM)&myProcIdStruct);
	return myProcIdStruct.hWnd;
}
BOOL CALLBACK gfnEnumWindowProc(HWND hWnd, LPARAM lParam)
{
	DWORD dwProcessId = 0L;
	DWORD dwThreadId = GetWindowThreadProcessId(hWnd, &dwProcessId);
	if (dwProcessId == ((FindHwndWidthProcIdStruct*)lParam)->dwProcId;
	{
	   ((FindHwndWidthProcIdStruct*)lParam)->hWnd = hWnd;
	   return FALSE;
	}
	return TRUE;
}

int power2( int num, int power )
{
   __asm
   {
      mov eax, num    ; Get first argument
      mov ecx, power  ; Get second argument
      shl eax, cl     ; EAX = EAX * ( 2 to the power of CL )
   }
   /* Return with result in EAX */
}

CPoint CurrentPoint(0,0);<br />
POSITION aPosition = PointList.GetHeadPosition();<br />
while(aPosition)<br />
{<br />
   CurrentPoint = PointList.GetNext(aPosition);<br />
   // ... use of CurrentPoint ...<br />
}