How 2 make a unit is unselectable

[Mechanical007]

I wanna know how 2 make a unit is unselectable in game,
so no one can select it
but it can be controled by trigger.

(+rep)

 

[Dark_hunter4]

Give the unit the Locust ability in Object editor.

 

[Mechanical007]

That's all? Its Easier than i tough....

Thanks (+rep)