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Publication date: 07/30/2020

Lock and Unlock Symbols

If you want to lock a variable to prevent it from being changed, use the Lock Symbols() function. (Lock Globals() is an alias.)

Lock Symbols( name1, name2, ... );

To release the lock and enable the global to be changed, use the Unlock Symbols() function. (Unlock Globals() is an alias.)

Unlock Symbols( name1, name2, ... );

The primary use of these two commands is to prevent inadvertent changes to variables. For example, locking a variable prevents Clear Symbols() from clearing a variable that is being used by another script.

Note: You cannot use Lock Symbols() to lock a namespace. Instead, use ns <<Lock Namespace.

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