Model Diagram Node Shape.
| Constant | Value | Description | 
|---|---|---|
| esriModelDiagramNodeShapeRectangle | 0 | Rectangular node. | 
| esriModelDiagramNodeShapeRoundedRectangle | 1 | Rounded rectangular node. | 
| esriModelDiagramNodeShapeEllipse | 2 | Ellipse node. | 
| esriModelDiagramNodeShapePentagon | 3 | Pentagon node. | 
| esriModelDiagramNodeShapeHexagon1 | 4 | Hexagon 1 node. | 
| esriModelDiagramNodeShapeHexagon2 | 5 | Hexagon 2 node. | 
| esriModelDiagramNodeShapeOctagon | 6 | Octagon node. | 
| esriModelDiagramNodeShapeTriangle | 7 | Triangular node. | 
| esriModelDiagramNodeShapeTriangleDown | 8 | Down triangle node. | 
| esriModelDiagramNodeShapeTriangleLeft | 9 | Left triangle node. | 
| esriModelDiagramNodeShapeTriangleRight | 10 | Right triangle node. | 
| esriModelDiagramNodeShapeDiamond | 11 | Diamond. | 
| esriModelDiagramNodeShapeParallelogram | 12 | Parallelogram node. | 
| esriModelDiagramNodeShapeStar | 13 | Star node. | 
| esriModelDiagramNodeShapeCross | 14 | Cross node. | 
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.