private void selectScanner(string scanner)
{
if (serSystemConnector != null || dataManSystem != null)
{
if (dataManSystem == null)
{
serSystemConnector.Disconnect();
serSystemConnector.Dispose();
serSystemConnector = null;
}
else if (serSystemConnector == null)
{
dataManSystem.Disconnect();
dataManSystem.Dispose();
dataManSystem = null;
}
else
{
try
{
dataManSystem.ReadStringArrived -= DataManSystem_ReadStringArrived;
}
catch
{
}
dataManSystem.Disconnect();
dataManSystem = null;
serSystemConnector.Disconnect();
serSystemConnector = null;
}
}
try
{
serSystemConnector = new SerSystemConnector(scanner);
dataManSystem = new DataManSystem(serSystemConnector);
}
catch (Exception)
{
throw;
}
try
{
dataManSystem.ReadStringArrived -= DataManSystem_ReadStringArrived;
}
finally
{
dataManSystem.ReadStringArrived += DataManSystem_ReadStringArrived;
}
try
{
dataManSystem.SystemDisconnected -= DataManSystem_SystemDisconnected;
}
finally
{
dataManSystem.SystemDisconnected += DataManSystem_SystemDisconnected;
if (serSystemConnector.IsKeepAliveSupported)
{
serSystemConnector.SetKeepAliveOptions(true, 1000, 2000);
}
}
try
{
dataManSystem.SystemWentOffline -= DataManSystem_SystemWentOffline;
}
finally
{
dataManSystem.SystemWentOffline += DataManSystem_SystemWentOffline;
}
dataManSystem.Connect();
this.Invoke(SetFormTitle, $"扫码校验【{serSystemConnector.PortName},{serSystemConnector.Baudrate},{serSystemConnector.Parity},{serSystemConnector.DataBits},{serSystemConnector.StopBits}】");
}
