NAME

update − flush graphics

SYNOPSIS

update ?options? 

DESCRIPTION

Changes made via Tk commands do not become visible until a call to update.  Update flushes any pending changes to the screen.  The following options are supported:

-disable
If this option is given, all updates are disabled. This is useful to enable a program to stop mouse movement causing automatic updates while it is making changes to the window.

-enable
This reverses a previous update -enable invocation. 

BUGS

Changes that affect window sizes are visible immediately.