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copied!<blockquote> <p>_counter is an int and _message is a string.</p> </blockquote> <p>Which are .NET types that will defeat your plan. An <em>int</em> is a value type, when you pass it to a method that takes an argument of type <em>object</em> then the int will be <em>boxed</em>. You'll get a <strong>copy</strong> of the value. Updating that copy will never have an effect on the original value, no matter what you do.</p> <p>Similar story with <em>string</em>, it is an <strong>immutable</strong> reference type. It cannot be changed in any way, you can only create a <em>new</em> string object from the original. A new string that the original code knows nothing about of course.</p> <p>Getting updates to be visible in other code requires <em>pointers</em>. Pointers are pretty tricky, C# supports them well enough but creating a pointer to a variable has a lot of bear traps. You can for example never create a pointer to a local variable and expect that pointer to still work when the method has exited. The local variable doesn't exist anymore. Updating the value through the pointer anyway will <em>corrupt</em> memory. A big reason you need to use the <em>unsafe</em> keyword when working with pointers.</p> <p>Pointers are already ably wrapped in C#, they are called <em>references</em>. And are automatically used when you create an object of a reference type. So what you should do is not just pass simple value or strings, you should pass a reference to an object instead. A class object. Now both your debugging code and your original code are using a reference to the exact same object. And updates made to fields and properties of the object in one are visible to the other.</p>

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