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# mainLoop

## Name

mainLoop -- Enter the GTK+ event loop.

## Synopsis

mainLoop [`-option` `value`...]

## Description

With the mainLoop the GTK+ event loop is entered. This command does not return!

## Options

-timeout

  type: integer

  Timeout is the time in milliseconds the tcl event loop is checked. If timeout is equal to zero, the tcl event loop is never called. In this case several Tcl commands like vwait or after do not work anymore.

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