BCGControlBar Pro for MFC
void CBCGPChartVisualObject::SetAutoDisplayRange ( BOOL  bRedraw = TRUE,
BOOL  bByZoom = FALSE 
)

Sets automatic display range.

Use this method to unzoom.

Parameters
bRedrawTells the chart to invalidate and redraw.
bByZoomShould be FALSE unless you implement custom zoom and need to set automatic display range for zoomed axes.