Member variable Thread():atStart Foundation
Optionally specifies program code to execute once at the beginning of a thread.
Either a code block or a character string containing the name of a globally visible, user-defined function can optionally be assigned to :atStart. The corresponding program code is executed in the :start() method, prior to the execution of the code which is specified when the :start() method is called. This is analogous to an INIT PROCEDURE of the application program.
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