code:
choose case key
case keyspacebar! , keyenter!
inv_desk.of_trigger_fun()//这行代码中用于触发一个打开另一窗口的事件,用鼠标没问题,但用键盘就老触发两次,
case keyuparrow!
inv_desk.of_move( 1 )
case keydownarrow!
inv_desk.of_move( 2 )
case keyleftarrow!
inv_desk.of_move( 3 )
case keyrightarrow!
inv_desk.of_move( 4 )
end choose