/// <summary> /// Determines if the given value represents a valid state of this property. /// </summary> /// <param name="value">The state that should be used.</param> /// <returns>True if the state is valid, otherwise false.</returns> protected override Boolean IsValid(CSSValue value) { var style = value.ToFontStyle(); if (style.HasValue) { _style = style.Value; return(true); } return(false); }