The best way to open protected fields

Question

I have a base class:

 public class BaseModalCommand
 {

    protected object m_commandArgument;
    protected int m_commandID;
    protected int m_enableUIFlags;

    public virtual void OnIdle()
    {
    }

    public virtual void OnResume()
    {
    }

    public virtual void OnStart(int commandID, object argument)
    {
    }

    public virtual void OnStop()
    {
    }



    public virtual int EnableUIFlags
    {
        get
        {
            return this.m_enableUIFlags;
        }
    }
}

Virtual methods must be overridden in derived types. If I run it through FxCop, it complains that it does not declare the visible fields of the instance and does not recommend changing it to private and exposing it to a protected property.

Any thoughts? I think this message can be ignored.

Answer 1

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Answer 2

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Answer 3

, getter/setter

protected object m_commandArgument;

private object m_commandArgument;

protected object CommandArgument {get; set;}

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private string _email;
protected string Email
{ 
   get { return _email; }
   set 
   {
       if(value.IndexOf("@") > 0)
           _email = value;
       else
            throw new ArgumentException("Not a valid Email");
   }
}

Answer 4

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Answer 5

, FxCop

private object m_commandArgument;

protected object CommandArgument
{
   get { return m_commandArgument; }
   set { m_commandArgument =value}
}

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Answer 6

, FxCop.

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