/// <summary>显式关闭和销毁当前的WCF通道</summary>
public static void Close()
{
lock (_ans)
{
IClientChannel channel = _backupsClass as IClientChannel;
try
{
if (null == channel)
{
return;
}
ClearAllEvents(channel);
if (channel.State == CommunicationState.Opened ||
channel.State == CommunicationState.Opening ||
channel.State == CommunicationState.Created)
{
channel.Close();
}
}
catch { }
finally { _backupsClass = null; _channelState = false; }
}
}
/// <summary>新建一个WCF的通道,返回通道是否有效</summary>
private static bool CreatNewChannel()
{
lock (_ans)
{
try
{
WcfClientHelper.SetWCFParas(_ipAdress, _portNum, _binding);
_backupsClass = WcfClientHelper.CreateDuplexService <IPluginCtrInterface>("IPluginCtrInterface", _callBack);
IClientChannel channel = _backupsClass as IClientChannel;
if (channel == null)
{
return(false);
}
channel.Faulted += ChannelFaulted;
if (channel.State != CommunicationState.Opened)
{
channel.Open();
}
if (!_channelState)
{
_channelState = true;
}
return(true);
}
catch { if (_channelState)
{
_channelState = false;
}
return(false); }
}
}
