How can I keep selection in Table unchanged in appdesigner?

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Vishal Sharma 2020-5-21

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/528903-how-can-i-keep-selection-in-table-unchanged-in-appdesigner

i am selecting an indices in a table and wrote functions to move those entities up or down.

I want selected indices to remain same but it is not.

        function IMcellSelect_Callback(app, event)
            app.input_lb.tbl_indices=event.Indices;
        end
        
        .
        .
        .
        %button callback to shift selected content up
        function IM_up_Callback(app, event)
                updown(app,1,'up');
        end

but after doing the operation, old selection changes.

ex.

'row 1 1'

'row 2 2'

'row 3 3'

'row 4 4'

if i select element 4, tbl_indices =[4 2], after moving it up by updown function, selection remains at [ 4 2](which is now element 3), it should change to indices [3 2] (element 4).

how can i fix this issue?