Method: TkBgError.set_handler

Defined in:: ext/lib/tk/bgerror.rb

.set_handler(hdlr = Proc.new) ⇒ `Object`

> handler :: proc{|msg| …body… }



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# File 'ext/lib/tk/bgerror.rb', line 19

def set_handler(hdlr = Proc.new) #==> handler :: proc{|msg| ...body... }
  tk_call('proc', 'bgerror', 'msg', install_cmd(hdlr) + ' $msg')
end