Hi,

Are you using this point only to display a circle inside the node? You could add two additional points on the left and right that allow respectively incoming and outgoing links, and set MarkStyle = None if you don't want them to be seen. Otherwise you will have to set the links' ControlPoints[0] and ControlPoints[Count - 1] to update the end points positions.

I hope that helps,
Stoyan

Hi Anshul,

ControlPoints contains the points that define a link's geometry, e.g. each pair of points defines one segment of a polyline link. So link.ControlPoints[0] and link.ControlPoints[link.ControlPoints.Count - 1] define the end points of the link. This lets you set the end point's positions without using anchor points, e.g. the following places the link origin point at the middle-right of a node:

var r = node.Bounds;
var p = new Point(r.Right, r.Top + r.Height/2);
link.ControlPoints[0] = p;
link.UpdateFromPoints();

I hope that helps,
Stoyan

Hi,

The AchorPoint constructor takes two boolean arguments - allowIncoming and allowOutgoing. Set them to true,false for the incoming point and false,true for the outgoing one.

I hope that helps,
Stoyan

Hi,

I could not understand what problem exactly do you have with AnchorPoints. So you have already defined an AnchorPattern containing a point that doesn't accept any links, kind of only to display the anchor point mark over a node? Is it that hard to add two additional points to that AnchorPattern where the first accepts incoming links and the second accepts outgoing links?

Regarding setting AnchorPoints, with that approach you take complete responsibility over the link's shape. If it's a cascading-style link and you move one point, you will have to align its neighbor points X or Y positions to make the segments horizontal or vertical again. You could simply call link.Route at the end of your BusLinkStyle method to find a cascading link route between the specified end points, or otherwise use the code below to align the cascading links points after setting their ends' positions:

private void AlignFirstCascadingSegment()
{
	Real fx = points[1].X;
	Real fy = points[1].Y;
	if (cascadeStartHorizontal)
		fy = points[0].Y;
	else
		fx = points[0].X;
	points[1] = new Point(fx, fy);
}

private void AlignLastCascadingSegment()
{
	int pts = points.Count;
	Real lx = points[pts - 2].X;
	Real ly = points[pts - 2].Y;
	if (pts % 2 != 0)
	{
		if (cascadeStartHorizontal)
			lx = points[pts - 1].X;
		else
			ly = points[pts - 1].Y;
	}
	else
	{
		if (cascadeStartHorizontal)
			ly = points[pts - 1].Y;
		else
			lx = points[pts - 1].X;
	}
	points[pts - 2] = new Point(lx, ly);
} 

This is actual code the control runs when you move cascading link end points with the mouse. To use it from your application, replace points with ControlPoints and Real with double.

I hope that helps,
Stoyan

Hi Stoyan,

Have you got a chance to look into the sample?

Regards,
Anshul

Hi,

We have tried with SegmentCount = 2, but still we are getting more than 2 bends in the link. Link may cross the node but important point is that link should not bend anywhere (in loading or while moving the node). Currently, in loading time links are appearing with two and more right angles and while we are trying to move the node, link is bending.

Also with this approach, we are not always getting incoming links at left and outgoing links at Right of the node. When we move the node, links also changes its pointing location.

We are seeing some issue with this approach, could you please suggest some pointer for additional two anchor point approach over the node.

We have tried with anchor point approach also, but we are not able to attach two anchor points with the node.AnchorPattern property. 
We have sent a sample image and a sample project describing problem with anchor point approach. Please have a look and let know your suggestion.

Regards,
Anshul

Hi Stoyan,

If I have three custom anchor points and I want all three points in Node, How can I attach them with the node? (If I am not wrong, we can attach only one anchor point with Node.AnchorPattern property)

• First anchor point I will use to create a link and it will appear when mouse is over the node.
• Second anchor point will accept incoming links and it will always hide.
• Third anchor point will allow outgoing links and it will also always hide.

Please let us know your suggestion.

Regards,
Anshul