WinXXX() function also manipulate
Tk windows the same way, but are capable of manipulating other windows as
well (in the future). One should, thus, preferably use WinXXX()!tkWinAdd(name = "win1", parent = .TkRoot, title = NULL, pos = NULL,
bind.delete = TRUE, ...)
tkWinDel(window)NULLtkWinDel() to the window
delete event (strongly advised for correct housekeeping)?tkWinAdd() returns the handle of the newly created window invisibly.
tkMenuDel() returns invisibly TRUE if the window is found and
deleted, FALSE otherwise.WinXXX()
functions that will call them if Tk windows are concerned.WinAdd