Dispose pattern (ARCH1102)

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Key dotnet.resource.dispose-pattern · Severity warning · Category resource

If a class holds a disposable field, it is responsible for releasing that resource by implementing IDisposable itself. Otherwise the resource leaks.

Incorrect

public class ReportGenerator
{
    private readonly SqlConnection _connection = new(Config.Conn);
}

Correct

public class ReportGenerator : IDisposable
{
    private readonly SqlConnection _connection = new(Config.Conn);

    public void Dispose() => _connection.Dispose();
}

Fix

Implement IDisposable on the class and release all owned disposable fields inside Dispose.