winDialog: Dialog Boxes under Windows
Description
On MS Windows only, put up a dialog box to communicate with the user.
There are various types, either for the user to select from a set of
buttons or to edit a string.
Usage
winDialog(type = c("ok", "okcancel", "yesno", "yesnocancel"),
message)winDialogString(message, default)
Arguments
type
character. The type of dialog box. It will have the
buttons implied by its name.
message
character. The information field of the dialog
box. Limited to 255 chars (by Windows, checked by R).
default
character. The default string.
Value
For winDialog
a character string giving the name of the button
pressed (in capitals) or NULL
(invisibly) if the user had no
choice.
For winDialogString
a string giving the contents of the text
box when Ok
was pressed, or NULL
if Cancel
was pressed.
See Also
winMenuAdd
file.choose
to select a file
package windlgs
in the package source distribution for ways to
program dialogs in C in the GraphApp
toolkit.
Examples
Run this code# NOT RUN {
winDialog("yesno", "Is it OK to delete file blah")
# }
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