Tk Built-In Commands
tk - Manipulate Tk internal state
tk option ?arg arg ...?
The tk command provides access to miscellaneous
elements of Tk's internal state.
Most of the information manipulated by this command pertains to the
application as a whole, or to a screen or display, rather than to a
The command can take any of a number of different forms
depending on the option argument. The legal forms are:
tk appname ?newName?
If newName isn't specified, this command returns the name
of the application (the name that may be used in send
commands to communicate with the application).
If newName is specified, then the name of the application
is changed to newName.
If the given name is already in use, then a suffix of the form
`` #2'' or `` #3'' is appended in order to make the name unique.
The command's result is the name actually chosen.
newName should not start with a capital letter.
This will interfere with option processing, since names starting with
capitals are assumed to be classes; as a result, Tk may not
be able to find some options for the application.
If sends have been disabled by deleting the send command,
this command will reenable them and recreate the send
application name, send
Last change: 4.0
[ tcl8.0a1 | tk8.0a1 | X-ref ]
Copyright © 1989-1994 The Regents of the University of California.
Copyright © 1994-1996 Sun Microsystems, Inc.