The following new features and improvements were added to C1Chart in the 2007 v1 release of ComponentOne Studio Enterprise:

·      Can fill selected chart area at run time when zoooming.

·      Multiple batched chart updates can be performed without excessive repainting.

Ability to Fill Selected Chart Area when Zooming

An option, FillSelectionArea, is added to the Interaction properties that allow filling the selected chart area at run time when zooming.

The following image illustrates the FillSelectionArea set to a light green back color:

Update Multiple Batched Charts without Excessive Repainting

Two new methods, C1Chart.BeginUpdate and C1Chart.EndUpdate, have been added to Chart to allow multiple batched chart updates to be performed without excessive repainting. The C1Chart.BeginUpdate method starts the batch update. After changes, chart is not updated immediately. The C1Chart.EndUpdate method must be called to restore the updating.