示例#1
0
        // </Snippet6>

        // <Snippet7>
        // Show how to use IsReadOnly.
        // It loops to see if the elements are read only.
        static void ReadOnlyElements()
        {
            try
            {
                // Get the configuration file.
                System.Configuration.Configuration config =
                    ConfigurationManager.OpenExeConfiguration(
                        ConfigurationUserLevel.None);

                // Get the MyUrls section.
                UrlsSection myUrlsSection =
                    config.GetSection("MyUrls") as UrlsSection;

                UrlsCollection elements = myUrlsSection.Urls;

                IEnumerator elemEnum =
                    elements.GetEnumerator();

                int i = 0;
                Console.WriteLine(elements.Count.ToString());

                while (elemEnum.MoveNext())
                {
                    Console.WriteLine("The element {0} is read only: {1}",
                                      elements[i].Name,
                                      elements[i].IsReadOnly().ToString());
                    i += 1;
                }
            }
            catch (ConfigurationErrorsException err)
            {
                Console.WriteLine("[ReadOnlyElements: {0}]",
                                  err.ToString());
            }
        }
示例#2
0
        // </Snippet5>


        // <Snippet6>
        // Show how to use IsModified.
        // This method modifies the port property
        // of the url element named Microsoft and
        // saves the modification to the configuration
        // file. This in turn will cause the overriden
        // UrlConfigElement.IsModified() mathod to be called.
        static void ModifyElement()
        {
            try
            {
                // Get the configuration file.
                System.Configuration.Configuration config =
                    ConfigurationManager.OpenExeConfiguration(
                        ConfigurationUserLevel.None);

                // Get the MyUrls section.
                UrlsSection myUrlsSection =
                    config.GetSection("MyUrls") as UrlsSection;


                UrlsCollection elements = myUrlsSection.Urls;


                IEnumerator elemEnum =
                    elements.GetEnumerator();

                int i = 0;
                while (elemEnum.MoveNext())
                {
                    if (elements[i].Name == "Microsoft")
                    {
                        elements[i].Port = 1010;
                        bool readOnly = elements[i].IsReadOnly();
                        break;
                    }
                    i += 1;
                }

                if (!myUrlsSection.ElementInformation.IsLocked)
                {
                    config.Save(ConfigurationSaveMode.Full);

                    // This to obsolete the MyUrls cached
                    // section and read the updated version
                    // from the configuration file.
                    ConfigurationManager.RefreshSection("MyUrls");
                }
                else
                {
                    Console.WriteLine(
                        "Section was locked, could not update.");
                }
            }

            catch (ConfigurationErrorsException err)
            {
                Console.WriteLine("[ModifyElement: {0}]",
                                  err.ToString());
            }
        }
示例#3
0
        // <Snippet2>
        // Show the use of Properties.
        // It displays the ConfigurationElement
        // properties.
        static void GetProperties()
        {
            try
            {
                // Get the current configuration file.
                System.Configuration.Configuration config =
                    ConfigurationManager.OpenExeConfiguration(
                        ConfigurationUserLevel.None);

                // Get the configuration section MyUrls.
                UrlsSection myUrlsSection =
                    config.Sections["MyUrls"] as UrlsSection;

                // Get the configuration element collection.
                UrlsCollection elements =
                    myUrlsSection.Urls;

                IEnumerator elemEnum =
                    elements.GetEnumerator();

                int i = 0;
                while (elemEnum.MoveNext())
                {
                    // Get the current element configuration
                    // property collection.
                    PropertyInformationCollection properties =
                        elements[i].ElementInformation.Properties;

                    // Display the current configuration
                    // element properties.
                    foreach (PropertyInformation property in properties)
                    {
                        Console.WriteLine("Name: {0}\tDefault: {1}\tRequired: {2}",
                                          property.Name, property.DefaultValue,
                                          property.IsRequired.ToString());
                    }
                }
            }
            catch (ConfigurationErrorsException e)
            {
                Console.WriteLine("[GetProperties: {0}]",
                                  e.ToString());
            }
        }