public HRESULT TxGetNaturalSize2(
DVASPECT dwAspect,
IntPtr hdcDraw,
IntPtr hicTargetDev,
IntPtr ptd,
TXTNATURALSIZE dwMode,
ref tagSIZE psizelExtent,
ref int pwidth,
ref int pheight,
out int pascent) => _txGetNaturalSize2(_unk, dwAspect, hdcDraw, hicTargetDev, ptd, dwMode, ref psizelExtent, ref pwidth, ref pheight, out pascent);
private static HRESULT TxGetExtent(IntPtr pThis, out tagSIZE lpExtent) => GetHost(pThis).TxGetExtent(out lpExtent);
