public void saveGraph(IGraph graph)
{
GraphMLGraphAdapter graphMlAdapter = new Smrf.NodeXL.Adapters.GraphMLGraphAdapter();
FileStream fs = File.Create("graph.graphml");
graphMlAdapter.SaveGraph(graph, fs);
}
GetGraphML
(
Microsoft.Office.Interop.Excel.Workbook oWorkbook
)
{
Debug.Assert(oWorkbook != null);
String sGraphML = null;
// The graph owned by the NodeXLControl can't be used, because it
// doesn't include all the edge and vertex column data needed for
// GraphML. Instead, read the graph from the workbook and include all
// the necessary data.
ReadWorkbookContext oReadWorkbookContext = new ReadWorkbookContext();
oReadWorkbookContext.ReadAllEdgeAndVertexColumns = true;
WorkbookReader oWorkbookReader = new WorkbookReader();
IGraph oGraphForGraphML = oWorkbookReader.ReadWorkbook(
oWorkbook, oReadWorkbookContext);
GraphMLGraphAdapter oGraphMLGraphAdapter = new GraphMLGraphAdapter();
using ( MemoryStream oMemoryStream = new MemoryStream() )
{
oGraphMLGraphAdapter.SaveGraph(oGraphForGraphML, oMemoryStream);
oMemoryStream.Position = 0;
using ( StreamReader oStreamReader =
new StreamReader(oMemoryStream) )
{
sGraphML = oStreamReader.ReadToEnd();
}
}
return (sGraphML);
}
