Moveable Column Seperators Property

Am I missing something or is there no property to control if there are "Moveable Column Seperators" on a Multicolumn Listbox? To be clear I am not looking to programatically control the column width, I want the user to have the ability to move the columns them selves. But I also want to be able to prevent them from being able to move the columns them selves at times. This all stems from using an XControl that during the edit time I want to allow to be able to change the size, but during run-time the size should not be adjustable.
I expected to just find a property to turn that on and off (like Autosize Row Height, or Smooth Scrolling) but couldn't find it.
Unofficial Forum Rules and Guidelines - Hooovahh - LabVIEW Overlord
If 10 out of 10 experts in any field say something is bad, you should probably take their opinion seriously.

The suggestion of hiding column headers isn't going to work in this situation. One thing that would work, is just to add the "Moveable Column Seperators" to the run-time menu. The problem is I don't know the tag associated with that menu option. It is not listed here
http://zone.ni.com/reference/en-XX/help/371361J-01/lvdialog/application_item_tags_scmenus/
What is the tag associated with this command, and will adding it have the desired affect, to allow me to right click and then allow, or don't allow moveable columns?
Unofficial Forum Rules and Guidelines - Hooovahh - LabVIEW Overlord
If 10 out of 10 experts in any field say something is bad, you should probably take their opinion seriously.

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