Please be more clear while posting questions. If you are referring to Textbox in Perl-Tk, you can set this by using the '-state' option. After inserting required data in textbox, you may configure the state as 'disabled'. E.g.
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my $tx= $fr->Scrolled( 'Text', '-scrollbars' => 'e', '-background' => 'white',
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)->pack( -fill => 'both', -expand => 1, -side => 'bottom' );
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$tx->insert('insert', "characters of line1\n");
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$tx->insert('insert',"characters of line2\n"');
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$tx->insert('insert',"characters of line3\n");
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$tx->insert('insert',"characters of line4\n");
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$tx->configure('-state'=> 'disabled'); ## set the state as disabled (non-editable)
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- Nithin
