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From: Bastian on 15 Mar 2010 11:47
"David R." <raisz.david(a)vet.bme.NOSPAM.hu> wrote in message <hi6mud$ot5$1(a)fred.mathworks.com>...
> "Solomon Hurst" <solomon.hurst(a)bendix.com> wrote in message <h9q8pt$j4b$1(a)fred.mathworks.com>...
> > "Solomon Hurst" <solomon.hurst(a)bendix.com> wrote in message <h9jajg$22i$1(a)fred.mathworks.com>...
> > > "Solomon Hurst" <solomon.hurst(a)bendix.com> wrote in message <h9j99d$4k6$1(a)fred.mathworks.com>...
> > > > "Solomon Hurst" <solomon.hurst(a)bendix.com> wrote in message <h9j7pu$p63$1(a)fred.mathworks.com>...
> > > > > Hello,
> > > > >
> > > > > I am using the FEX submission "makedatatip" by Tim Farajian to add data cursors with the update of a slider.
> > > > > However, I would like to remove data cursors attached to any other targets of the figure.
> > > > > I tried adding the handles of the data cursors to an array and running "delete" on the elements of the array I no longer wanted, but doing so gave me a "Invalid object handle" error when the data cursors still tried to update.
> > > > > Is there a simple way to programmatically get all data cursors for a figure and remove them?
> > > > >
> > > > > Any help is appreciated.
> > > > > -SRH
> > > >
> > > > Minor update: I found out the DataCursors actually belong to the datacursormode object, not the figure itself. However, setting the DataCursors property of the datacursorsmode object to [] does not seem to remove them.
> > >
> > >
> > > I tried a different approach, still with no luck.
> > > Instead of removing datatips I didn't want it may be acceptable to just restrict it to one and change the position of that one datacursor. Unfortunately I have had no success with this either.
> > > I can see the datatip object in the datacursormode object, but when I try to update the "Position" property I get an out of index error. Strangely enough I don't even SEE a Position property when looking at it in the object inspector. There is a UIContextMenu Property which has a position Property, but looking at the original value I can tell that is certainly not what I am looking for.
> > >
> > > If anyone has any ideas they would be greatly appreciated.
> > >
> > > -SRH
> >
> > One other interesting observation I encountered while trying to use this method... when I change that "position" property the cursor itself disappears, though the window displaying the position does not. When I click the figure this window then disappears.
> > Unfortunately this would not be acceptable... the datacursors must be completely removed without user interaction.
>
>
> Solomon,
> this one worked for me:
> delete(findall(gcf,'Type','hggroup'));
>
> Of course, this has to be still refined, if You have other 'hggroup' objects.
> Hope this helps:
> David

Thank you for this information. I was trying to switch between two different cursor UpdateFncs when moving from one panel of my GUI to another. Deleting the hggroup objects, like you suggest, refreshes the cursormode object and calls the correct UpdateFnc. Thanks again.
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