By default, when the
of a chart is changed programmatically by a call to
the zoomed flags (
isZoomed) are changed. This is the same
as manually zooming in using the mouse.
Sometimes it may be desirable to change the display of the chart by
options but without changing the zoomed flags, for example where manual
zooming is still required but where it is also desired that the zoomed
flags drive display elements, but only for manual zooming.
In this case
isZoomedIgnoreProgrammaticZoom may be specified along with
valueRange values to
updateOptions and the zoomed flags will remain unaffected.
The chart below may be manipulated to change the
using the Max and Min Y axis buttons and the
by using the Max and Min X axis buttons.
Toggle the check box below to determine the difference in operation of the zoom flags when the date and value windows of the chart are changed using the arrows underneath.
Do not change zoom flags (
Max Y Axis:
Min Y Axis:
Min X Axis:
Max X Axis:
Zoomed X: False
Zoomed Y: False