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% File src/library/base/man/taskCallbackNames.Rd
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% File src/library/base/man/taskCallbackNames.Rd
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% Part of the R package, https://www.R-project.org
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% Part of the R package, https://www.R-project.org
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% Copyright 1995-2007 R Core Team
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% Copyright 1995-2016 R Core Team
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% Distributed under GPL 2 or later
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% Distributed under GPL 2 or later
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\name{taskCallbackNames}
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\name{taskCallbackNames}
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\alias{getTaskCallbackNames}
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\alias{getTaskCallbackNames}
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\title{Query the Names of the Current Internal Top-Level Task Callbacks}
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\title{Query the Names of the Current Internal Top-Level Task Callbacks}
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}
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}
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\seealso{
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\seealso{
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  \code{\link{addTaskCallback}},
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  \code{\link{addTaskCallback}},
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  \code{\link{removeTaskCallback}},
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  \code{\link{removeTaskCallback}},
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  \code{\link{taskCallbackManager}}\\
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  \code{\link{taskCallbackManager}}\\
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  \url{http://developer.r-project.org/TaskHandlers.pdf}
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  \url{https://developer.r-project.org/TaskHandlers.pdf}
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}
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}
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\examples{
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\examples{
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 n <- addTaskCallback(function(expr, value, ok, visible) {
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 n <- addTaskCallback(function(expr, value, ok, visible) {
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                        cat("In handler\n")
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                        cat("In handler\n")
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                        return(TRUE)
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                        return(TRUE)