public interface RenderCallback
LabelsPlugin.ID plugin to provide the item to be rendered as string or as image at runtime, using the arguments.ImageElement| Modifier and Type | Method and Description | 
|---|---|
| Object | invoke(IsChart chart,
      RenderItem item)Called to provide the item to be rendered as string or as image at runtime, using the arguments. | 
Object invoke(IsChart chart, RenderItem item)
chart - chart instanceitem - render item, passed by plugin