IDisposable

gistfile1.cs

public class DisposableClass :
    IDisposable
{
    bool _disposed;

    public void Dispose()
    {
        Dispose(true);
        GC.SuppressFinalize(this);
    }

    ~DisposableClass()
    {
        Dispose(false);
    }

    protected virtual void Dispose(bool disposing)
    {
        if (_disposed)
            return;

        if (disposing)
        {
            // free other managed objects that implement
            // IDisposable only
        }

        // release any unmanaged objects
        // set the object references to null

        _disposed = true;
    }

From Los Techies: http://lostechies.com/chrispatterson/2012/11/29/idisposable-done-right/