How Can I Persist Windows Forms Application Settings Using a Custom XML File?

Settings of the persistence application in the Windows window application

This article discusses how to store settings in Windows window applications, especially for reading information. Users can modify this path, and developers want to save them for future use. Three solutions are considered in the article: configuration files (.config), registry and custom XML files.

In view of the limitations of .NET configuration files and registry and personal preferences, this article focuses on using

custom XML file

to store the configuration settings. Custom XML file method

To use custom XML files to achieve persistence, please follow the steps below:

Create a new XML file in the application folder, such as MySettings.xml.

Define a class to indicate your settings:

In the application code, instantiated an Settings object and set its PATH attribute:

<code class="language-csharp">public class Settings
{
    public string Path { get; set; }

    public Settings(string path)
    {
        Path = path;
    }

    public void Save(string filename)
    {
        XmlSerializer serializer = new XmlSerializer(typeof(Settings));
        using (TextWriter writer = new StreamWriter(filename)) { serializer.Serialize(writer, this); }
    }

    public static Settings Load(string filename)
    {
        XmlSerializer serializer = new XmlSerializer(typeof(Settings));
        using (TextReader reader = new StreamReader(filename)) { return (Settings)serializer.Deserialize(reader); }
    }
}</code>

To retrieve the settings later, please call settings.load (...):

<code class="language-csharp">Settings settings = new Settings("C:\my\path");
settings.Save("MySettings.xml");</code>

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