if(auto theme = OpenThemeData(hwnd, L"BUTTON")) {
    DrawThemeParentBackground(hwnd, ps.hdc, &rc);
    unsigned flags = (state & BST_PUSHED || checked) ? PBS_PRESSED
    : (state & BST_HOT) ? PBS_HOT
    : bordered ? (enabled ? PBS_NORMAL : PBS_DISABLED)
    : 0;
    if(bordered || flags) DrawThemeBackground(theme, ps.hdc, BP_PUSHBUTTON, flags, &rc, &ps.rcPaint);
    CloseThemeData(theme);
  } else {
    FillRect(ps.hdc, &rc, GetSysColorBrush(COLOR_3DFACE));
    unsigned flags = (state & BST_PUSHED || checked) ? DFCS_PUSHED : 0;
    if(bordered || flags) DrawFrameControl(ps.hdc, &rc, DFC_BUTTON, DFCS_BUTTONPUSH | flags | (enabled ? 0 : DFCS_INACTIVE));
  }