code: 9ferno

ref: 44ce0097b612a1fefd754065bdf8d9d2e5ef60c8
dir: /man/9/update/

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.TH UPDATE 9
.SH NAME
update \- flush graphics
.SH SYNOPSIS
\f5update\fP ?\fIoptions\fP?
.SH DESCRIPTION
Changes made via Tk commands do not become
visible until a call to
.BR update .
.B Update
flushes any pending changes to the screen.
The following options are supported:
.TP
\f5-disable\fP
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.
.TP
\f5-enable\fP
This reverses a previous \f5update -enable\fP invocation.
.PP
.SH BUGS
Changes that affect window sizes are visible immediately.