HBITMAP hBm;CSkinLoader SkinLoader;SkinLoader.GetBitmap(IDB_BK_UP, hBm);if(hBm){m_pbkBit = new SNN_MemBm;m_pbkBit->Create_DLL(hBm);Invalidate(FALSE);HRGN hRgn = CreateRoundRectRgn(0, 0, m_pbkBit->GetWidth(), m_pbkBit->GetHeight(), 5, 5);SetWindowRgn(hRgn, TRUE);SetWindowPos(NULL, 0, 0, m_pbkBit->GetWidth(), m_pbkBit->GetHeight(), SWP_NOMOVE);}출처: https://use1348.tistory.com/35 [유용한 정보:티스토리]