// 关闭读写器
private void btnDisconnect_Click(object sender, EventArgs e)
{
if (_reader != null)
{
_reader.DisConnect();
_isConnected = false;
_reader = null;
}
}
// 连接读写器
private void Connect()
{
if (_reader == null)
{
_reader = new ReaderHandle();
_isConnected = _reader.Connect();
}
if (!_isConnected)
{
MessageBox.Show("读写器连接失败");
}
else
{
MessageBox.Show("读写器连接成功");
}
}
private void Form1_Load(object sender, EventArgs e)
{
_reader = null;
txbEpc.Text = "";
Connect();
}
internal Reader(ReaderHandle handle)
{
_handle = handle ?? throw new ArgumentNullException(nameof(handle));
}
