Hi,

This is a continuation of the workflow application I've been working on.

I construct the workflow as a series of activities. Each activity corresponds to a TableNode, and the parameters of the activity are rows within the TableNode. Everything works more or less as expected.

Now, what I'd like to do is put diagram links from the base of one TableNode to the top of the following TableNode. This indicates control flow.

My first approach was just to create a DiagramLink using the first and second TableNode's as parameters. This does indeed create the link, but it attaches it to the middle row of each TableNode. Not quite what I wanted.

I then created a new AnchorPattern for the TableNode, and created AnchorPoints along the middle of the top and middle of the base of the TableNodes.

Creating the DiagramLink still causes the link to be made using the middle row of each TableNode.

OK, so I decided to use the fact that I could create a link between two points. I computed a set of points based on the TableNode AnchorPoints.

Now, when I attempt to create the DiagramLink based on these two points, I get a NullReferenceException.

So, how do I go about creating a link between two TableNodes, and such that the link does not join the middle row of the TableNodes?

Thanks for the quick response, but it doesn't seem to work.

It seems to be trying to connect the tables to something that is at the very top of the design surface. I don't have anything up there, all my nodes are displaced from the top by 50 or 100 units.

Just to be sure that I'm not doing anything wrong:

* when I create a new TableNode, I specify its ConnectionStyle to "TableConnectionStyle.Table"

* I create an AnchorPattern for the TableNode (this is in addition to an AnchorPattern for each row in the table). The TableNode AnchorPattern has two AnchorPoints, situated mid-way along the top and bottom edges of the TableNode

* I create a DiagramLink between successive TableNodes by calling diagram.Factory.CreateDiagramLink( TableNode, TableNode)

When I do this, I get the wierd behavior.