void IMimeTypePolicyOptionsPanel.StorePolicy()
 {
     if (loaded)
     {
         if (defaultSettingsButton != null && defaultSettingsButton.Active)
         {
             policyContainer.Set <T> (null, mimeType);
         }
         else
         {
             policyContainer.Set <T> (GetPolicy(), mimeType);
         }
     }
     else if (hasCachedPolicy)
     {
         policyContainer.Set <T> ((T)cachedPolicy, mimeType);
     }
 }