title: inaccessible due to its protection level
body: <p>i am displaying version(WrmVersion) value in  a listview ,,but here i given one codition
  means if version(WrmVersion) is null i am displaying 'None'(ResourcePolicyAvailSystemsLVI.m_nullString="None"),,but now i am getting an error</p>
  
  <blockquote>
    <p>'Ship.Controls.ResourcePolicySystemsControl.ResourcePolicyAvailSystemsLVI.m_nullString' is inaccessible due to its protection level   F:\test\Ship\Controls\ResourcePolicySystemsControl.cs   81  70  Ship.Controls</p>
  </blockquote>
  
  <pre><code>protected override void OnUpdate()
           {
              string func = "ResourcePolicySystemsLVI.OnUpdate";
              try
              {
                 if(Data != null)
                 {
                    Text = base.Data.Name;
                    if(SubItems.Count == 1)
                    {
                        if (Data.WrmVersion == null)
                        {
                            SubItems.Add(ResourcePolicyAvailSystemsLVI.m_nullString);
                        }
                        else
                            **SubItems.Add(((IResourcePolicy)Data).WrmVersion.ToString());**
                       SubItems.Add(((IResourcePolicy)Data).ResourcePolicyEnabled.ToString());
                       SubItems.Add(((IResourcePolicy)Data).ResourcePolicyCurrent.ToString());
                       //SubItems.Add(((IResourcePolicy)Data).WrmVersion.ToString());
                       //SubItems.Add(Registry.GetValue(@"HKEY_LOCAL_MACHINE\Software\Unisys\Single Point Operations Windows Resource Monitor", "CurrentVersion", "0").ToString()); 
                    }
                    else
                    {
                       SubItems[1].Text = ((IResourcePolicy)Data).ResourcePolicyEnabled.ToString();
                       SubItems[2].Text = ((IResourcePolicy)Data).ResourcePolicyCurrent.ToString();
                    }
                 }
                 base.OnUpdate();
  </code></pre>