Unassigned
The Usercmd function executes a custom command added to the Run menu by using Customize command from the Run menu or setting the User switch.
Arg number Usercmd (ALT+A number Unassigned)
Executes the given custom Run menu command. The number can be in the range 1–9.
TrueCommand exists.
FalseCommand does not exist, or invalid argument.
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