_dim = new Dimension(600,300);
}
_graphType = type;
_rndDecorator = new RandomVertexLocationDecorator(new Dimension(1000,1000));
if (_graphType == GraphTypes.Directed) {
_myGraph = new DirectedSparseGraph();
} else if (_graphType == GraphTypes.UnDirected){
_myGraph = new UndirectedSparseGraph();
} else {