private static GraphHandle createGraph()
{
GraphHandle graph = UnsafeNativeMethods.agopen("G", GraphType.Directed | GraphType.Strict);
NodeHandle nodeA = UnsafeNativeMethods.agnode(graph, "A");
NodeHandle nodeB = UnsafeNativeMethods.agnode(graph, "B");
EdgeHandle edge = UnsafeNativeMethods.agedge(graph, nodeA, nodeB);
//int result = UnsafeNativeMethods.agsafeset(edge, "dir", "forward", null);
return(graph);
}
static void Postfix(ref EdgeHandle e, ref BridgeEdge brokenEdge)
{
newEdge.m_MeshRenderer.material.color = brokenEdge.m_MeshRenderer.material.color;
if (brokenEdge.m_OriginalColors != null)
{
newEdge.m_OriginalColors = brokenEdge.m_OriginalColors;
}
if (brokenEdge.m_HydraulicEdgeVisualization != null)
{
newEdge.m_HydraulicEdgeVisualization.SetColor(brokenEdge.m_HydraulicEdgeVisualization.GetComponentsInChildren <MeshRenderer>()[0].material.color);
}
}
public static extern SymbolHandle agfstattr(EdgeHandle component);
public static extern SymbolHandle agfindattr(EdgeHandle component, [MarshalAs(UnmanagedType.LPStr)]string name);
public static extern void agdelete(GraphHandle graph, EdgeHandle component);
public static extern int agcontains(GraphHandle graph, EdgeHandle component);
public static extern int agxset(EdgeHandle component, int unk2, [MarshalAs(UnmanagedType.LPStr)]string unk3);
public static extern string agxget(EdgeHandle component, int unk2);
public static extern EdgeHandle agnxtout(GraphHandle graph, EdgeHandle edge);
public static extern EdgeHandle agnxtedge(GraphHandle graph, EdgeHandle edge, NodeHandle node);
public static extern void aginsert(GraphHandle graph, EdgeHandle component);
public static extern int agindex(EdgeHandle component, [MarshalAs(UnmanagedType.LPStr)]string unk2);
public static extern string agget(EdgeHandle component, [MarshalAs(UnmanagedType.LPStr)]string unk2);
private static GraphHandle createGraph2()
{
GraphHandle graph = UnsafeNativeMethods.agopen("G", GraphType.Directed | GraphType.Strict);
UnsafeNativeMethods.agsafeset(graph, "label", "One Cool Graph", null);
NodeHandle COMMENT = UnsafeNativeMethods.agnode(graph, "COMMENT");
UnsafeNativeMethods.agsafeset(COMMENT, "shape", "record", null);
UnsafeNativeMethods.agsafeset(COMMENT, "style", "filled", null);
UnsafeNativeMethods.agsafeset(COMMENT, "color", "lightblue", null);
NodeHandle DOC_COMMENT = UnsafeNativeMethods.agnode(graph, "DOC_COMMENT");
UnsafeNativeMethods.agsafeset(DOC_COMMENT, "shape", "record", null);
UnsafeNativeMethods.agsafeset(DOC_COMMENT, "style", "filled", null);
UnsafeNativeMethods.agsafeset(DOC_COMMENT, "color", "lightblue", null);
NodeHandle error = UnsafeNativeMethods.agnode(graph, "error");
UnsafeNativeMethods.agsafeset(error, "shape", "record", null);
UnsafeNativeMethods.agsafeset(error, "style", "filled", null);
UnsafeNativeMethods.agsafeset(error, "color", "red", null);
NodeHandle PopDN1 = UnsafeNativeMethods.agnode(graph, "PopDN1");
UnsafeNativeMethods.agsafeset(PopDN1, "style", "filled", null);
NodeHandle PopN1 = UnsafeNativeMethods.agnode(graph, "PopN1");
UnsafeNativeMethods.agsafeset(PopN1, "style", "filled", null);
NodeHandle PushDN1 = UnsafeNativeMethods.agnode(graph, "PushDN1");
UnsafeNativeMethods.agsafeset(PushDN1, "style", "filled", null);
NodeHandle PushN1 = UnsafeNativeMethods.agnode(graph, "PushN1");
UnsafeNativeMethods.agsafeset(PushN1, "style", "filled", null);
NodeHandle dns1 = UnsafeNativeMethods.agnode(graph, "dns1");
NodeHandle dns2 = UnsafeNativeMethods.agnode(graph, "dns2");
NodeHandle dns3 = UnsafeNativeMethods.agnode(graph, "dns3");
NodeHandle ds1 = UnsafeNativeMethods.agnode(graph, "ds1");
NodeHandle ds2 = UnsafeNativeMethods.agnode(graph, "ds2");
NodeHandle ds3 = UnsafeNativeMethods.agnode(graph, "ds3");
NodeHandle ds4 = UnsafeNativeMethods.agnode(graph, "ds4");
NodeHandle ns1 = UnsafeNativeMethods.agnode(graph, "ns1");
NodeHandle ns2 = UnsafeNativeMethods.agnode(graph, "ns2");
NodeHandle ns3 = UnsafeNativeMethods.agnode(graph, "ns3");
NodeHandle s1 = UnsafeNativeMethods.agnode(graph, "s1");
NodeHandle s2 = UnsafeNativeMethods.agnode(graph, "s2");
NodeHandle s3 = UnsafeNativeMethods.agnode(graph, "s3");
NodeHandle s4 = UnsafeNativeMethods.agnode(graph, "s4");
NodeHandle s5 = UnsafeNativeMethods.agnode(graph, "s5");
NodeHandle s6 = UnsafeNativeMethods.agnode(graph, "s6");
NodeHandle s7 = UnsafeNativeMethods.agnode(graph, "s7");
NodeHandle s8 = UnsafeNativeMethods.agnode(graph, "s8");
NodeHandle start = UnsafeNativeMethods.agnode(graph, "start");
EdgeHandle edge = null;
edge = UnsafeNativeMethods.agedge(graph, PopDN1, dns1);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "!Empty", null);
UnsafeNativeMethods.agsafeset(edge, "style", "dotted", null);
edge = UnsafeNativeMethods.agedge(graph, PopDN1, ds1);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "Empty", null);
UnsafeNativeMethods.agsafeset(edge, "style", "dashed", null);
edge = UnsafeNativeMethods.agedge(graph, PopN1, ns1);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "!Empty", null);
edge = UnsafeNativeMethods.agedge(graph, PopN1, s6);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "Empty", null);
edge = UnsafeNativeMethods.agedge(graph, PushDN1, dns1);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
edge = UnsafeNativeMethods.agedge(graph, PushN1, ns1);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
edge = UnsafeNativeMethods.agedge(graph, dns1, dns1);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "~", null);
edge = UnsafeNativeMethods.agedge(graph, dns1, dns2);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "'*'", null);
edge = UnsafeNativeMethods.agedge(graph, dns1, dns3);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "'/'", null);
edge = UnsafeNativeMethods.agedge(graph, dns2, dns1);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "~", null);
edge = UnsafeNativeMethods.agedge(graph, dns3, dns1);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "~", null);
edge = UnsafeNativeMethods.agedge(graph, ds1, ds2);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "'*'", null);
edge = UnsafeNativeMethods.agedge(graph, ds1, ds3);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "'/'", null);
edge = UnsafeNativeMethods.agedge(graph, ds2, ds1);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "~", null);
edge = UnsafeNativeMethods.agedge(graph, ds2, ds4);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "'/'", null);
edge = UnsafeNativeMethods.agedge(graph, ns1, ns1);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "~", null);
edge = UnsafeNativeMethods.agedge(graph, ns1, ns2);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "'*'", null);
edge = UnsafeNativeMethods.agedge(graph, ns1, ns3);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "'/'", null);
edge = UnsafeNativeMethods.agedge(graph, ns2, ns1);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "~", null);
edge = UnsafeNativeMethods.agedge(graph, ns3, ns1);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "~", null);
edge = UnsafeNativeMethods.agedge(graph, s1, s2);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "'*'", null);
edge = UnsafeNativeMethods.agedge(graph, s2, s3);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "'*'", null);
edge = UnsafeNativeMethods.agedge(graph, s2, s6);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "~", null);
edge = UnsafeNativeMethods.agedge(graph, s2, s8);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "'/'", null);
edge = UnsafeNativeMethods.agedge(graph, s3, ds1);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "~", null);
edge = UnsafeNativeMethods.agedge(graph, s3, s4);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "'/'", null);
edge = UnsafeNativeMethods.agedge(graph, s6, s7);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "'*'", null);
edge = UnsafeNativeMethods.agedge(graph, s6, s8);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "'/'", null);
edge = UnsafeNativeMethods.agedge(graph, s7, s5);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "'/'", null);
edge = UnsafeNativeMethods.agedge(graph, s7, s6);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "~", null);
edge = UnsafeNativeMethods.agedge(graph, start, error);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "~", null);
edge = UnsafeNativeMethods.agedge(graph, start, s1);
UnsafeNativeMethods.agsafeset(edge, "color", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "darkgreen", null);
UnsafeNativeMethods.agsafeset(edge, "label", "'/'", null);
edge = UnsafeNativeMethods.agedge(graph, dns2, PopDN1);
UnsafeNativeMethods.agsafeset(edge, "color", "blue", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "blue", null);
edge = UnsafeNativeMethods.agedge(graph, dns3, PushDN1);
UnsafeNativeMethods.agsafeset(edge, "color", "blue", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "blue", null);
edge = UnsafeNativeMethods.agedge(graph, ds3, PushDN1);
UnsafeNativeMethods.agsafeset(edge, "color", "blue", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "blue", null);
edge = UnsafeNativeMethods.agedge(graph, ns2, PopN1);
UnsafeNativeMethods.agsafeset(edge, "color", "blue", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "blue", null);
edge = UnsafeNativeMethods.agedge(graph, ns3, PushN1);
UnsafeNativeMethods.agsafeset(edge, "color", "blue", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "blue", null);
edge = UnsafeNativeMethods.agedge(graph, s8, PushN1);
UnsafeNativeMethods.agsafeset(edge, "color", "blue", null);
UnsafeNativeMethods.agsafeset(edge, "fontcolor", "blue", null);
edge = UnsafeNativeMethods.agedge(graph, ds4, DOC_COMMENT);
edge = UnsafeNativeMethods.agedge(graph, s4, COMMENT);
edge = UnsafeNativeMethods.agedge(graph, s5, COMMENT);
return(graph);
}
public static extern SymbolHandle agprvattr(EdgeHandle component, SymbolHandle attribute);
/// <summary>
/// Constructor
/// </summary>
/// <param name="canvas"></param>
public EdgeHandler(CanvasControl canvas)
{
this.m_canvas = canvas;
this.m_con = canvas.Control;
// Prepare line handles
m_lineHandle4V = new EdgeHandle();
m_lineHandle4V.ComponentType = EcellObject.VARIABLE;
m_lineHandle4V.MouseDrag += new PInputEventHandler(LineHandle_MouseDrag);
m_lineHandle4V.MouseUp += new PInputEventHandler(LineHandle_MouseUp);
m_lineHandle4P = new EdgeHandle();
m_lineHandle4P.ComponentType = EcellObject.PROCESS;
m_lineHandle4P.MouseDrag += new PInputEventHandler(LineHandle_MouseDrag);
m_lineHandle4P.MouseUp += new PInputEventHandler(LineHandle_MouseUp);
m_edge4reconnect = new PPathwayEdge(m_canvas);
m_edge4reconnect.SetEdge(LINE_BRUSH, 2);
m_edge4reconnect.Pickable = false;
}
private static GraphHandle createRailroadGraph()
{
GraphHandle graph = UnsafeNativeMethods.agopen("G", GraphType.Directed | GraphType.Strict);
GraphHandle row1 = UnsafeNativeMethods.agsubg(graph, "row1");
GraphHandle row2 = UnsafeNativeMethods.agsubg(graph, "row2");
UnsafeNativeMethods.agsafeset(graph, "rankdir", "LR", null);
//UnsafeNativeMethods.agsafeset(row1, "rank", "same", null);
//UnsafeNativeMethods.agsafeset(row2, "rank", "same", null);
NodeHandle GENERATED = UnsafeNativeMethods.agnode(row1, "GENERATED");
NodeHandle ALWAYS = UnsafeNativeMethods.agnode(row1, "ALWAYS");
NodeHandle AS = UnsafeNativeMethods.agnode(row1, "AS");
NodeHandle BY = UnsafeNativeMethods.agnode(row2, "BY");
NodeHandle DEFAULT_KW = UnsafeNativeMethods.agnode(row2, "DEFAULT_KW");
NodeHandle IDENTITY = UnsafeNativeMethods.agnode(row1, "IDENTITY");
NodeHandle LPAREN = UnsafeNativeMethods.agnode(row1, "LPAREN");
NodeHandle CommonSequenceOption = UnsafeNativeMethods.agnode(row1, "CommonSequenceOption");
NodeHandle RPAREN1 = UnsafeNativeMethods.agnode(row1, "RPAREN1");
NodeHandle RPAREN2 = UnsafeNativeMethods.agnode(row1, "RPAREN2");
UnsafeNativeMethods.agsafeset(GENERATED, "shape", "record", null);
UnsafeNativeMethods.agsafeset(ALWAYS, "shape", "record", null);
UnsafeNativeMethods.agsafeset(AS, "shape", "record", null);
UnsafeNativeMethods.agsafeset(BY, "shape", "record", null);
UnsafeNativeMethods.agsafeset(DEFAULT_KW, "shape", "record", null);
UnsafeNativeMethods.agsafeset(IDENTITY, "shape", "record", null);
UnsafeNativeMethods.agsafeset(LPAREN, "shape", "record", null);
UnsafeNativeMethods.agsafeset(CommonSequenceOption, "shape", "record", null);
UnsafeNativeMethods.agsafeset(RPAREN1, "shape", "record", null);
UnsafeNativeMethods.agsafeset(RPAREN2, "shape", "record", null);
UnsafeNativeMethods.agsafeset(RPAREN1, "label", "RPAREN", null);
UnsafeNativeMethods.agsafeset(RPAREN2, "label", "RPAREN", null);
UnsafeNativeMethods.agsafeset(GENERATED, "ordering", "out", null);
UnsafeNativeMethods.agsafeset(ALWAYS, "ordering", "out", null);
UnsafeNativeMethods.agsafeset(AS, "ordering", "out", null);
UnsafeNativeMethods.agsafeset(BY, "ordering", "out", null);
UnsafeNativeMethods.agsafeset(DEFAULT_KW, "ordering", "out", null);
UnsafeNativeMethods.agsafeset(IDENTITY, "ordering", "out", null);
UnsafeNativeMethods.agsafeset(LPAREN, "ordering", "out", null);
UnsafeNativeMethods.agsafeset(CommonSequenceOption, "ordering", "out", null);
UnsafeNativeMethods.agsafeset(RPAREN1, "ordering", "out", null);
UnsafeNativeMethods.agsafeset(RPAREN2, "ordering", "out", null);
EdgeHandle edge = null;
edge = UnsafeNativeMethods.agedge(graph, GENERATED, BY);
UnsafeNativeMethods.agsafeset(edge, "tailport", "e", null);
UnsafeNativeMethods.agsafeset(edge, "headport", "w", null);
edge = UnsafeNativeMethods.agedge(graph, BY, DEFAULT_KW);
UnsafeNativeMethods.agsafeset(edge, "tailport", "e", null);
UnsafeNativeMethods.agsafeset(edge, "headport", "w", null);
edge = UnsafeNativeMethods.agedge(graph, DEFAULT_KW, AS);
UnsafeNativeMethods.agsafeset(edge, "tailport", "e", null);
UnsafeNativeMethods.agsafeset(edge, "headport", "w", null);
edge = UnsafeNativeMethods.agedge(graph, GENERATED, ALWAYS);
UnsafeNativeMethods.agsafeset(edge, "tailport", "e", null);
UnsafeNativeMethods.agsafeset(edge, "headport", "w", null);
edge = UnsafeNativeMethods.agedge(graph, ALWAYS, AS);
UnsafeNativeMethods.agsafeset(edge, "tailport", "e", null);
UnsafeNativeMethods.agsafeset(edge, "headport", "w", null);
edge = UnsafeNativeMethods.agedge(graph, AS, IDENTITY);
UnsafeNativeMethods.agsafeset(edge, "tailport", "e", null);
UnsafeNativeMethods.agsafeset(edge, "headport", "w", null);
edge = UnsafeNativeMethods.agedge(graph, IDENTITY, LPAREN);
UnsafeNativeMethods.agsafeset(edge, "tailport", "e", null);
UnsafeNativeMethods.agsafeset(edge, "headport", "w", null);
edge = UnsafeNativeMethods.agedge(graph, IDENTITY, RPAREN2);
UnsafeNativeMethods.agsafeset(edge, "tailport", "e", null);
UnsafeNativeMethods.agsafeset(edge, "headport", "w", null);
edge = UnsafeNativeMethods.agedge(graph, LPAREN, CommonSequenceOption);
UnsafeNativeMethods.agsafeset(edge, "tailport", "e", null);
UnsafeNativeMethods.agsafeset(edge, "headport", "w", null);
edge = UnsafeNativeMethods.agedge(graph, CommonSequenceOption, CommonSequenceOption);
UnsafeNativeMethods.agsafeset(edge, "tailport", "e", null);
UnsafeNativeMethods.agsafeset(edge, "headport", "w", null);
edge = UnsafeNativeMethods.agedge(graph, CommonSequenceOption, RPAREN1);
UnsafeNativeMethods.agsafeset(edge, "tailport", "e", null);
UnsafeNativeMethods.agsafeset(edge, "headport", "w", null);
edge = UnsafeNativeMethods.agedge(graph, RPAREN1, RPAREN2);
UnsafeNativeMethods.agsafeset(edge, "tailport", "e", null);
UnsafeNativeMethods.agsafeset(edge, "headport", "w", null);
//int result = UnsafeNativeMethods.agsafeset(edge, "dir", "forward", null);
return(graph);
}
