BCGControlBar Pro for MFC
void CBCGPChartAxis::SetMaxZoomInFactor ( double  dblValue = 1000)

Sets maximal zoom factor.

Call this function to set maximal zoom in factor. It defines maximum allowed zoom and cannot exceed relation between maximal scroll range and major unit. In other words, if zoom factor is 10000, scroll range is 1000, then major unit can't be smaller then 0.1.

The default zoom factor is 1000.

dblValueSpecifies new zoom in factor.