public GraphData LoadGraph(string fileName)
{
try
{
GraphData data = null;
//Open the file written above and read values from it.
Stream stream = File.Open(fileName, FileMode.Open);
BinaryFormatter bformatter = new BinaryFormatter();
data = (GraphData)bformatter.Deserialize(stream);
stream.Close();
Reset();
foreach (var item in data.NodeLocations)
{
AddNewNode(item);
}
_edges = data.Edges;
OnContentChanged(null, null);
return(data);
}
catch { }
return(null);
}
public GraphUI()
{
_edges = new EdgeCollection();
this.DoubleBuffered = true;
Control.CheckForIllegalCrossThreadCalls = false;
_penEdge = new Pen(Color.MediumPurple, 4);
_penEdge.EndCap = LineCap.ArrowAnchor;
_matrix = new Matrix();
_matrix.SizeChanged += new EventHandler(_matrix_SizeChanged);
Reset();
}