Delegate CellAreaContextClassData.GetPreferredWidthForHeightCallback
public delegate void CellAreaContextClassData.GetPreferredWidthForHeightCallback(nint context, int height, out int minimumWidth, out int naturalWidth)
public delegate void CellAreaContextClassData.GetPreferredWidthForHeightCallback(nint context, int height, out int minimumWidth, out int naturalWidth)