As this issue has been risen on LAVA, I checked and didn't find it reported yet.The issue is when one wants to edit the multicolumn listbox' column or row headers while a VI is running. By setting the Edit Position property to {-1,0}, it should be possible to edit the first column header. Instead, the {0,0} cell is selected. This behavior occurs also with row headers. The detailed help specifically says that -1 edits the headers and that it's a writable property settable while the VI is running. The same error occurs with "Table". The only difference is that for tables, there is a "Editable headers" property that needs to be set to TRUE. If false, the edit position returns {-2,-2} as expected. However, when true, it returns {0,0} similarly to multicolumn listbox.

LabVIEW

You can click into table header and edit it. Edit pos property can not be set to (-1;n).

Do not set Edit position property, generate mouse click into header?

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