Undo Zoom

[matthbri]

Hi,

when a chart is scrolled or zoomed, it can be undone by chart.zoom.undo

The chart we are using has multiple custom axes. The Bottom axes resets when Undo() is called, but the custom axes do not. They stay in the position they were scrolled to. The help file says 'undo also restores any runtime scrolling'. Am I missing a setting somewhere?

thanks,

[Narcís]

Hi matthbri,

It works fine here using the All Features\Welcome !\Axes\Scrolling multiple axes example in the features demo available at TeeChart's program group. Can you please test it this works at your end?

If the problem persists could you please send us an example we can run "as-is" to reproduce the problem here? You can send your files at news://www.steema.net/steema.public.attachments newsgroup.

Thanks in advance.

[matthbri]

Hi,

I reproduced the problem in Axis_MultiScoll.cs

We are not using the Left or Right axes at all, just custom axes.
Is this a limitation?

code uploaded to steema.public.attachments "Multiple Axes"

[matthbri]

Just to clarify, even in the TeeChart Examples Axis_MultiScroll example, the Undo operation only undoes Left and Bottom axes. it does not undo the custom axes.

Brian

[Narcís]

Hi Brian,

Thanks for the example, yes, you are right, however you can easily solve that by setting axes to automatic scalling when undoing zoom:

Code: Select all

    private void tChart1_UndoneZoom(object sender, EventArgs e)
    {
      for (int i = 0; i < tChart1.Axes.Count; i++)
      {
        tChart1.Axes[i].Automatic = true;
      }
    }