The R Project SVN – R – Diff – /trunk/src/library/base/man/taskCallbackManager.Rd

   \code{\link{removeTaskCallback}},
   \code{\link{getTaskCallbackNames}}\\
   \url{http://developer.r-project.org/TaskHandlers.pdf}
+}
 \examples{
-   # create the manager
+# create the manager
-  h <- taskCallbackManager()
+h <- taskCallbackManager()
-   # add a callback
+# add a callback
-  h$add(function(expr, value, ok, visible) {
+h$add(function(expr, value, ok, visible) {
-                         cat("In handler\n")
+		       cat("In handler\n")
-                         return(TRUE)
+		       return(TRUE)
-                       }, name = "simpleHandler")
+		     }, name = "simpleHandler")
-   # look at the internal callbacks.
+# look at the internal callbacks.
-  getTaskCallbackNames()
+getTaskCallbackNames()
-   # look at the R-level callbacks
+# look at the R-level callbacks
-  names(h$callback())
+names(h$callback())
-   #
-  getTaskCallbackNames()
+getTaskCallbackNames()
-  removeTaskCallback("R-taskCallbackManager")
+removeTaskCallback("R-taskCallbackManager")
+}
 \keyword{environment}

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