protected override bool FillUserSettingsPropertyValue(object providerContext, Microsoft.SharePoint.SPUser user, SPUserSettingsProperty usProperty, out object value)
 {
     value = null;
     return(false);
     //throw new NotImplementedException();
 }
 protected override bool FillIsUserSettingsPropertyEditable(object providerContext, Microsoft.SharePoint.SPUser user, SPUserSettingsProperty usProperty, out bool isUserEditable)
 {
     isUserEditable = true;
     return(isUserEditable);
     //throw new NotImplementedException();
 }