function Leadtools.Annotations.Core.AnnGradientStopCollection.indexOf( annGradientStop )
| Parameter | Type | Description |
|---|---|---|
| annGradientStop | AnnGradientStop | The object to query. |
| Type | Description |
|---|---|
| int | The 0-based index of annGradientStop if it exists in the collection; otherwise, -1. |