def step=(amount)
tk_send_without_enc('step', amount)
end
# File tk/lib/tkextlib/tile/tprogressbar.rb, line 38
def start(interval=None)
if Tk::Tile::TILE_SPEC_VERSION_ID < 5
tk_call_without_enc('::tile::progressbar::start', @path, interval)
else
tk_send_without_enc('start', interval)
end
end