System.Xml.Xsl.Xslt.XsltLoader.ResolveUri C# (CSharp) Method

        private Uri ResolveUri(string relativeUri, string baseUri)
        {
            Uri resolvedBaseUri = (baseUri.Length != 0) ? _xmlResolver.ResolveUri(null, baseUri) : null;
            Uri resolvedUri = _xmlResolver.ResolveUri(resolvedBaseUri, relativeUri);
            if (resolvedUri == null)
            {
                throw new XslLoadException(SR.Xslt_CantResolve, relativeUri);
            }
            return resolvedUri;
        }