BeforeRenderHook (Charba - J2CL and GWT charts library based on CHART.JS)

```
public interface BeforeRenderHook
```
Called before rendering 'chart'.
If any plugin returns false, the rendering is cancelled until another 'render' is triggered.

Author:

Andrea "Stock" Stocchero

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  boolean onBeforeRender(IsChart chart)
  Called before rendering 'chart'.

- Method Detail
  - onBeforeRender
```
boolean onBeforeRender(IsChart chart)
```
    Called before rendering 'chart'.
    If any plugin returns false, the rendering is cancelled until another 'render' is triggered.
    
    Parameters:
    
    chart - the chart instance.
    
    Returns:
    
    false to cancel the chart rendering.