Component Events
The annotate, measure, and range brush interaction modes fire component events that allow the implementation of custom functionality when a user interacts with the chart or chart element.
Annotation Events
| Name |
Description |
| onAnnotationAdd |
Fires when a user adds an annotation by clicking on the chart. |
| onAnnotationRemove |
Fires when an annotation is removed from the chart by right-clicking on an annotation's dot or info box or clicking the clear annotations menu button. |
| onAnnotationSelect |
Fires when an annotation is selected by double-clicking on its info box. |
| onAnnotationUpdate |
Fires when an annotation is updated by moving the dot or info box. |
| onAnnotationVisible |
Fires when an annotation's info box is hidden or shown by double-clicking on its dot. |
Annotation Event Properties
| Name |
Description |
Property Type |
| annotation |
Object containing uuid, axis, pen, dot, and infoBox properties of the annotation instance the event refers to. |
Annotation Instance  |
Measurement Events
| Name |
Description |
| onMeasurementAdd |
|
| onMeasurementRemove |
|
| onMeasurementSelect |
|
| onMeasurementUpdate |
|
| onMeasurementVisible |
|
Measurement Event Properties
| Name |
Description |
Property Type |
| measurement |
Object containing axis, line, and infoBox properties of the measurement instance the event refers to. |
Measurement Instance  |
Range Brush Events
| Name |
Description |
| onRangeBrushAdd |
|
| onRangeBrushRemove |
|
| onRangeBrushSelect |
|
| onRangeBrushUpdate |
|
Range Brush Event Properties