DisposableToken Class

public sealed class DisposableToken : IDisposable

Public NotInheritable Class DisposableToken
	Implements IDisposable

IDisposable InitiateOperation()
{
    var token = Disposable.None;
    try
    {
        token += new Disposable(() => FinalizeOnePart());
        token += new Disposable(() => FinalizeOtherPart());
        return token;
    }
    catch
    {
        token.Dispose();
        throw;
    }
}