error message
Tk::Error: Unable to open file: No such file or directory at C:\Users\aaaa.pl line 63.
 main::resthand at C:\Users\aaaa.pl line 63
 Tk callback for .labframe.border.frame1.button
 Tk::__ANON__ at C:/Perl/site/lib/Tk.pm line 251
 Tk::Button::butUp at C:/Perl/site/lib/Tk/Button.pm line 175
 <ButtonRelease-1>
 (command bound to event)