突破MsComm控件RThreshold限制，全部数据统统收！(1)

全局参数： Private Rv_data() As Byte           '存放接收的数据 Private tmpRV() As Byte              '存放暂存的数据 Private Declare Sub Sleep Lib "kernel32" (ByVal dwMilliseconds As Long)全局参数： Private Rv_data() As Byte       &nbs