SetArrowheads()
Summary
Sets the arrowhead style used to draw line features.
Syntax
SetArrowheads(string lyr_set_name, string ah_style)
| Argument | Contents |
|---|---|
| lyr_set_name | Name of the layer or selection set |
| ah_style | "None" for no arrowheads, "Topology" to show arrowheads in the topological direction of the line, or "Flow" to show arrowheads on one-way streets |
Notes
-
When used on a selection set, a null value for ah_style indicates that lines of selected features should be drawn with the default arrowhead style for the layer.
-
If lyr_set_name is null, SetArrowheads() operates on the current layer.
Example
// Show arrowheads on main streets only...
SetArrowheads ("Streets|", "None")
SetArrowheads ("Streets|Major Roads", "Flow")Error Codes
| Error Type | Meaning |
|---|---|
| NotFound | The layer or selection set does not exist |
See Also
| Function | Summary |
|---|---|
| GetArrowheads() | Gets the style of arrowheads used to draw line features |
| SetLineColor() | Sets the color used to draw line features |
| SetLineStyle() | Sets the line style used to draw line features |
| SetLineWidth() | Sets the line width used to draw line features |