R front ends like the Windows GUI handle key presses and mouse clicks
through “events” generated by the OS. These are processed
automatically by R at intervals during computations, but in some cases
it may be desirable to trigger immediate event handling. The
process.events function does that.
This is a simple wrapper for the C API function
R_ProcessEvents. As such, it is possible that it will not
return if the user has signalled to interrupt the calculation.
NULL is returned invisibly.
See ‘Writing R Extensions’ and the ‘R for Windows FAQ’
for more discussion of the
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