| tk_select.list | R Documentation |
Select item(s) from a character vector using a Tk listbox.
tk_select.list(choices, preselect = NULL, multiple = FALSE,
title = NULL)
choices |
a character vector of items. |
preselect |
a character vector, or |
multiple |
logical: can more than one item be selected? |
title |
optional character string for window title, or
|
This is a version of select.list implemented as a Tk
list box plus OK and Cancel buttons. There will be a
scrollbar if the list is too long to fit comfortably on the screen.
The dialog box is modal, so a selection must be made or
cancelled before the R session can proceed. Double-clicking on an
item is equivalent to selecting it and then clicking OK.
If Tk is version 8.5 or later, themed widgets will be used.
A character vector of selected items. If multiple is false and
no item was selected (or Cancel was used), "" is
returned. If multiple is true and no item was selected (or
Cancel was used) then a character vector of length 0 is returned.
select.list (a text version except on Windows and the macOS GUI),
menu (whose graphics = TRUE mode uses this
on most Unix-alikes).
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