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  \item{\dots}{for consistency with the generic.}
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  \item{\dots}{for consistency with the generic.}
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}
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}
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\details{
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\details{
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  \code{winProgressBar} will display a progress bar centred on the
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  \code{winProgressBar} will display a progress bar centred on the
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  screen.  Space will be allocated for the label only if it is non-empty.
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  screen.  Space will be allocated for the label only if it is non-empty.
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  \code{setWinProgessBar} will update the value and for non-\code{NULL}
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  \code{setWinProgessBar} will update the value and for non-\code{NULL}
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  values, the title and label (provided there was one when the widget
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  values, the title and label (provided there was one when the widget
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  was created).  Missing (\code{\link{NA}}) and out-of-range values of
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  was created).  Missing (\code{\link{NA}}) and out-of-range values of
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  \code{value} will be (silently) ignored.
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  \code{value} will be (silently) ignored.
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  The progress bar should be \code{close}d when finished with, but it
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  The progress bar should be \code{close}d when finished with, but it
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  will be garbage-collected once no \R object refers to it. 
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  will be garbage-collected once no \R object refers to it.
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}
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}
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\value{
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\value{
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  For \code{winProgressBar} an object of class \code{"winProgressBar"}.
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  For \code{winProgressBar} an object of class \code{"winProgressBar"}.
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  For \code{getWinProgressBar} and \code{setWinProgressBar}, a
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  For \code{getWinProgressBar} and \code{setWinProgressBar}, a