: '''[grab] current''' ''?window?'' If ''window'' is specified, returns the name of the current grab window in this application for window's display, or an empty string if there is no such window. If ''window'' is omitted, the command returns a list whose elements are all of the windows grabbed by this application for all displays, or an empty string if the application has no grabs. ---- **See also** * [grab release] * [grab set] * [grab status] <> Command | Tk syntax help | Introspection