System.Configuration.SettingsBase.SetPropertyValueByName C# (CSharp) Метод

       private void SetPropertyValueByName(string propertyName, object propertyValue)
       {
           if (Properties == null || _PropertyValues == null || Properties.Count == 0)
               throw new SettingsPropertyNotFoundException(SR.GetString(SR.SettingsPropertyNotFound, propertyName));

           SettingsProperty pp = Properties[propertyName];
           if (pp == null)
               throw new SettingsPropertyNotFoundException(SR.GetString(SR.SettingsPropertyNotFound, propertyName));

           if (pp.IsReadOnly)
               throw new SettingsPropertyIsReadOnlyException(SR.GetString(SR.SettingsPropertyReadOnly, propertyName));

           if (propertyValue != null && !pp.PropertyType.IsInstanceOfType(propertyValue))
               throw new SettingsPropertyWrongTypeException(SR.GetString(SR.SettingsPropertyWrongType, propertyName));

           SettingsPropertyValue p = _PropertyValues[propertyName];
           if (p == null)
           {
               GetPropertiesFromProvider(pp.Provider);
               p = _PropertyValues[propertyName];
               if (p == null)
                   throw new SettingsPropertyNotFoundException(SR.GetString(SR.SettingsPropertyNotFound, propertyName));
           }

           p.PropertyValue = propertyValue;
       }