// ॡࠥ   ࠭.
HENUM Enumeration = WinBeginEnumWindows (HWND_DESKTOP); HWND Window = NULLHANDLE;

while ((Window = WinGetNextWindow (Enumeration)) != NULLHANDLE) 
{
  // ᫨   - த ॡ .
  if (!WinIsWindowVisible (Window)) continue;

  // ᫨  , ஥  :
  if (...) 
  {
    ...

    // 蠥 ॡ .
    break;
  }
}

WinEndEnumWindows (Enumeration), Enumeration = NULLHANDLE;
