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Adding row to MultiColumn Listbox

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Hi everyone,

 

The topic seems easy but is not ^^'
I have a large amount of data that has to be written in a MultiColumn Listbox and the only way to write data in it, is to use the property node "ItemNames", 2D String array, (as far as I know). So, each time I have to write 1 row, I have to write all the data (~1 000 000 row) and it takes too much time.
I tried to use the property node "Defer Panel Updates" but it doesn't solve my problem.

I attached a test VI where you can see my problem.
My request is simple, I want to add to my multi column listbox 1 row after another instead of all the lines.

 

If you have any ideas let me know.

Thanks and see you soon !


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