ConsoleTest/ConsoleTest/PTZApi/Util.cs

using System;
using System.ServiceModel;

namespace ConsoleTest.PTZApi
{
    public class WcfUtil
    {
        public static void UseService<TChannel>(Action<TChannel> action, EndpointAddress address = null)
        {
            ChannelFactory<TChannel> channelFactory = new ChannelFactory<TChannel>("*");
            TChannel val = ((!(address == null)) ? channelFactory.CreateChannel(address) : channelFactory.CreateChannel());
            try
            {
                ((IClientChannel)(object)val).Open();
                action(val);
                ((IClientChannel)(object)val).Close();
            }
            catch
            {
                ((IClientChannel)(object)val).Abort();
            }
        }

        public static TReturn UseService<TChannel, TReturn>(Func<TChannel, TReturn> func, EndpointAddress address = null)
        {
            ChannelFactory<TChannel> channelFactory = new ChannelFactory<TChannel>("*");
            TChannel val = ((!(address == null)) ? channelFactory.CreateChannel(address) : channelFactory.CreateChannel());
            ((IClientChannel)(object)val).Open();
            TReturn result = func(val);
            try
            {
                ((IClientChannel)(object)val).Close();
            }
            catch (Exception)
            {
                ((IClientChannel)(object)val).Abort();
            }
            return result;
        }
    }
}