How do I add an element in Labview 5.1?

Hi, I have been using LabView 5.1 for a while but I cannot figure out
how to put an element into the diagram portion of the program I am
making? Any Suggestions?
Thanks
Muhammad Asfour

I suspect your VI is locked. This feature is a way to prevent careless users from changing the VI. Press control-m to unlock it. Look in the user manual and in the online help for more information about locking VIs.
Jeremy Braden
National Instruments

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