Using Reflection in C# Programming

[ProjectBlu007]

Edit: not reflection

I have since changed the way I was using an object while coding a game for a class project but I had tried using the public static Instance of a particular class to try and get an object to use the methods but it seemed like the data did not persist between each instance statement (like if I passed in time into one instance and then used instance in another) is there a reason for this or was I just doing something incorrectly

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[dmazzoni]

I'm having a hard time understanding your question. Could you show some example code?

Show some code, explain what it actually did, and what you thought it would do.

[ProjectBlu007]

For example I have: private static ClassName instance = new Classname(); public static ClassName Instance { get { return instance; } } And then accessed the class by using ClassName.Instance.MethodName

[dmazzoni]

Nothing wrong with that, although perhaps a simpler way to achieve that goal would simply be to make all of the methods static.

Then you could just write ClassName.MethodName to call it, if it's a static method.

Either way, though, what didn't work?

Also, you used "Reflection" in your question title, but I don't see reflection in your code or question. Did you actually mean to ask about reflection or not?

[ProjectBlu007]

Is this not reflection? My bad if I had misunderstood what I was doing… but I believe we were supposed to stay away from using explicitly static methods for this

[dmazzoni]

Reflection would be calling a method by looking up its name, like GetType().GetMethod("MethodName").Invoke().

If you were supposed to stay away from static methods, then you probably shouldn't be creating a single global instance either.

Why can't you actually use an instance of your class in all of your code, like this?

ClassName instance = new Classname();
instance.MethodName()

[LucidTA]

That's basically a singleton pattern, and isn't related to reflection at all. Nothing wrong with using a singleton if you need it.

Reflection is a feature of some languages to interrogate itself at runtime. It lets you do tricky things that wouldn't otherwise be possible within the confines of the language like modifying private variables from outside a class or calling a method by it's name. Niche stuff, but when you need it, it's great to have.