internal void Change( ChangeStatus action, Guid pluginID, RunningRequirement requirement )
 {
     if( Changed != null )
     {
         PluginRequirementCollectionChangedEventArgs e = new PluginRequirementCollectionChangedEventArgs( this, action, pluginID, requirement );
         Changed( this, e );
     }
 }
 internal void Change(ChangeStatus action, Guid pluginID, RunningRequirement requirement)
 {
     if (Changed != null)
     {
         PluginRequirementCollectionChangedEventArgs e = new PluginRequirementCollectionChangedEventArgs(this, action, pluginID, requirement);
         Changed(this, e);
     }
 }