cli-ninject-hosting/CustomHostingDemo/CustomCommand.cs

using Ninject;
using System;
using System.CommandLine;

namespace CustomHostingDemo
{
    public class CustomCommand<TArg> : Command
    {
        private readonly Type _handlerType;

        public CustomCommand(string name, string description, Type handler)
            : base(name, description)
        {
            _handlerType = handler;
        }

        public Command Bind(IKernel kernel)
        {
            kernel.Bind<TArg>().ToSelf().InTransientScope();
            kernel.Bind(_handlerType).ToSelf().InTransientScope();

            Handler = new NinjectCommandHandler<TArg>(kernel, _handlerType);

            return this;
        }
    }
}