How Can I Map C# Enumerations to Strings Effectively?

Efficiently Mapping C# Enums to Strings

While C# enums inherently map to integer values, effectively associating them with descriptive strings enhances readability and maintainability. This article explores techniques beyond the basic enum definition to achieve this.

A robust method involves using static properties within a class. This approach provides a similar user experience to enums but allows for direct string representation. Here's an example using a LogCategory class:

public class LogCategory
{
    private LogCategory(string value) { Value = value; }

    public string Value { get; private set; }

    public static LogCategory Trace   { get { return new LogCategory("Trace"); } }
    public static LogCategory Debug   { get { return new LogCategory("Debug"); } }
    public static LogCategory Info    { get { return new LogCategory("Info"); } }
    public static LogCategory Warning { get { return new LogCategory("Warning"); } }
    public static LogCategory Error   { get { return new LogCategory("Error"); } }

    public override string ToString()
    {
        return Value;
    }
}

This class mirrors enum functionality. The Value property holds the string representation, accessible via static properties like LogCategory.Info.

Usage example:

public static void WriteLog(string message, LogCategory category)
{
    var logEntry = new LogEntry { Message = message };
    Logger.Write(logEntry, category.Value);
}

// Example call
WriteLog("This is a log message.", LogCategory.Warning);

This approach retains the clarity and ease of use of enums while providing the necessary string mappings for improved code clarity.

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