DiagramBase.DrawAnchorPoint Event

Raised when an anchor point must be custom-drawn.

Namespace: MindFusion.Diagramming
Package: MindFusion.Diagramming

 Syntax

C#

public event EventHandler<DrawAnchorPointEventArgs> DrawAnchorPoint

Visual Basic

Public Event DrawAnchorPoint As EventHandler(Of DrawAnchorPointEventArgs)

 Event Data

DrawAnchorPoint event handlers receive an argument of type DrawAnchorPointEventArgs. The following DrawAnchorPointEventArgs members provide information relevant to the event:

Member name	Description
Node	A DiagramNode containing the anchor point that is being painted.
AnchorIndex	Index of the anchor point within the node's AnchorPattern.
AnchorPattern	An AnchorPattern instance that contains the anchor point definition.
Location	A PointF specifying the location of the anchor point.
Graphics	An object implementing the IGraphics interface whose methods should be used to draw the anchor point mark.

 Remarks

DrawAnchorPoint is raised for an AnchorPoint if the point's MarkStyle is set to Custom.

 Example

The following example demonstrates how to draw images for anchor points:

C#

void diagram_DrawAnchorPoint(object sender, DrawAnchorPointEventArgs e)
{
    PointF imgPos = e.Location;
    imgPos.Y -= 1.8f;

    e.Graphics.DrawImage(icon, imgPos);
}

Visual Basic

Sub diagram_DrawAnchorPoint(ByVal sender As Object, ByVal e As DrawAnchorPointEventArgs) Handles diagram.DrawAnchorPoint

    Dim imgPos As PointF = e.Location
    imgPos.Y -= 1.8F

    e.Graphics.DrawImage(icon, imgPos)

End Sub