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Mathematica > Dynamic Interactivity > Dynamic Interactivity Language > PreemptProtect >

BUILT-IN MATHEMATICA SYMBOL

PreemptProtect

PreemptProtect[expr]
evaluates expr, without any interruption from preemptive evaluations.

Preemptive evaluations can occur as a result of Dynamic, Button, EventHandler, and other interface constructs, as well as preemptive MathLink connections.

Any preemptive evaluation requested during the evaluation of PreemptProtect[expr] will be queued until the PreemptProtect is complete.

PreemptProtect does not protect against explicit user aborts, or aborts generated by functions such as Abort, TimeConstrained, and MemoryConstrained.

Preemptive evaluations can be executed in the midst of a main loop evaluation:

Protect the main loop evaluation from being interrupted:

Preemptive evaluations can be executed in the midst of a main loop evaluation:

Out[1]=

Protect the main loop evaluation from being interrupted:

Out[3]=

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