BCGControlBar Pro for MFC
void CBCGPChartLegendVisualObject::InvalidateLegendSize ( BOOL  bRedraw)

Called by the framework to invalidate the legend after resize

Usually this method is called automatically when legend parameters that affect size are updated.

You may want to call this method explicitly if you directly change parameters like font size of legend cell.

bRedrawspecifies whether a legend should be redrawn