Implementing RAII in C#

Question

I have an InfoPath form which I need to conditionally disable it\'s OnChange events. Since it\'s not possible to bind the event handlers after the form has loaded, I\'m forc

Answer 1

In relation to question 2, it might be possible to get around it by providing a different interface to consumers of the code. Instead of providing a public class that implements IDisposable, and hoping they wrap it in a using, you could provide a static method that takes a function to execute in a "suppressed" context:

public static class EventSuppressor {
    public void Suppress(Action action) {
        using (var s = new SuppressActions()) {
            action();
        }
    }

    private class SuppressActions : IDisposable {
        ...
    }
}

Then consumers can use this as follows:

EventSuppressor.Suppress(() => {
    // OnChange events fired here are ignored
}) // OnChange events enabled again

Of course, you have to work out whether this design is appropriate, as this will result in extra function calls, compiler generated classes and closures etc.