SharpVectors.Dom.Svg.SvgLength.getCssXmlValue C# (CSharp) Method

        private void getCssXmlValue()
        {
            if(source == SvgLengthSource.Css)
            {
                ICssStyleDeclaration csd = this.ownerElement.GetComputedStyle(String.Empty);
                CssPrimitiveLengthValue cssValue = csd.GetPropertyCssValue(propertyName) as CssPrimitiveLengthValue;

                if(cssValue != null)
                {
                    cssLength = new CssAbsPrimitiveLengthValue(cssValue, propertyName, ownerElement);
                }
                else
                {
                    throw new DomException(DomExceptionType.SyntaxErr, "Not a length value");
                }
            }
            else
            {
                string baseVal = ownerElement.GetAttribute(propertyName);

                if(baseVal == null || baseVal.Length == 0)
                {
                    baseVal = defaultValue;
                }
                baseVal = SvgNumber.ScientificToDec(baseVal);
                cssLength = new CssAbsPrimitiveLengthValue(new CssPrimitiveLengthValue(baseVal, false), propertyName, ownerElement);
            }
        }