DrawStartHandler (Smart GWT EE API 12.1p (2026-02-25))

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All Superinterfaces:: com.google.gwt.event.shared.EventHandler

public interface DrawStartHandler
extends com.google.gwt.event.shared.EventHandler

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`onDrawStart(DrawStartEvent event)` Called when we start drawing to the underlying HTML5 <canvas> element of a DrawPane, right after the element is cleared.

- Method Detail
  - onDrawStart
```
void onDrawStart(DrawStartEvent event)
```
    Called when we start drawing to the underlying HTML5 <canvas> element of a DrawPane, right after the element is cleared. Only called if the DrawingType is DrawingType.BITMAP.
    
    Parameters:
    
    event - the event

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