/// <summary>
/// Initializes the graph we use in this demo.
/// </summary>
private void InitializeGraph()
{
// Allow grouping and folding
IGraph graph = new FoldingManager().CreateFoldingView().Graph;
// Initialize defaults
graph.NodeDefaults.Style = new ShinyPlateNodeStyle {
Brush = Brushes.DarkOrange
};
// Mapper for using custom AutomationIds. This is just a sample that shows how to add a mapper that returns
// an automation ID from the model item's tag. In practice you might return a property of the tag object if that
// identifies your model item uniquely.
graph.MapperRegistry.CreateDelegateMapper(GraphControl.AutomationIdKey,
delegate(IModelItem key) {
if (key.Tag == null)
{
return(null);
}
if (key.Tag is string)
{
return(key.Tag as string);
}
return(null);
});
// create sample graph
var node1 = graph.CreateNode(new RectD(0, 0, 100, 30));
graph.AddLabel(node1, "Node with label");
// Use a custom AutomationId for that node. We just set the tag to a string here, which then gets picked up by
// the mapper we added above.
node1.Tag = "Custom Automation ID";
var node2 = graph.CreateNode(new PointD(90, 70));
graph.CreateEdge(node2, graph.CreateNode(new PointD(90, 120)));
graph.CreateEdge(node2, graph.CreateNode(new PointD(200, 30)));
// Node with a templated style – the controls within the template do appear in the UIA tree as well and can be
// interacted with.
graph.CreateNode(new RectD(100, 150, 150, 150), new NodeControlNodeStyle("NodeStyle"));
graph.GroupNodeDefaults.Style = new NodeControlNodeStyle("GroupNodeStyle")
{
Insets = new InsetsD(3, 20, 3, 3)
};
graph.GroupNodes(node1, node2);
graphControl.Graph = graph;
graphControl.FitGraphBounds();
}