SampleRasterType.DiMapParser.GetNextVertex C# (CSharp) Méthode

        public bool GetNextVertex(out string x, out string y, out string col, out string row)
        {
            if (footprintInfo == null)
                footprintInfo = myXmlDoc.SelectSingleNode("//Dataset_Frame").SelectNodes("Vertex");
            x = footprintInfo[vertexCount].SelectSingleNode("FRAME_LON").InnerText;
            y = footprintInfo[vertexCount].SelectSingleNode("FRAME_LAT").InnerText;
            col = footprintInfo[vertexCount].SelectSingleNode("FRAME_COL").InnerText;
            row = footprintInfo[vertexCount].SelectSingleNode("FRAME_ROW").InnerText;
            ++vertexCount;

            if (vertexCount >= footprintInfo.Count)
                return false;
            else
                return true;
        }