virtual void CBCGPChartVisualObject::Zoom ( int  nMagnifier, const CBCGPPoint &  ptZoomCenter = CBCGPPoint(0, 0)  )

virtual

Zooms the chart in or out.

This method is called to zoom the chart in or out.

Parameters

nMagnifier	Zoom value.
ptZoomCenter	Zoom center. The chart will be zoomed around this point (int chart's owner coordinates).