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Man Pages


Manual Reference Pages  -  TK::WAITVARIABLEX (3)

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NAME

Tk::waitVariableX - a waitVariable with extensions.

CONTENTS

SYNOPSIS



 use Tk::waitVariableX;

 $splash->waitVariableX( [$millis, $destroy_splashscreen], \$v1, \$v2} );



DESCRIPTION

This subroutine waits for a list of variables, with a timeout - the subroutine returns when one of the variables changes value or the timeout expires, whichever occurs first.

Although the millisecond parameter is required, it may be zero, which effects no timeout. The milliscond paramter may also be an array of two elements, the first the millisecond value, and the second a normal Per/Tk callback. The callback is invoked just before waitVariableX returns.

Callback format is patterned after the Perl/Tk scheme: supply either a code reference, or, supply an array reference and pass the callback code reference in the first element of the array, followed by callback arguments.

COPYRIGHT

Copyright (C) 2000 - 2002 Stephen O. Lidie. All rights reserved.

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

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Tk1.0 WAITVARIABLEX (3) 2002-09-15

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