How to access resources dynamically (by index or otherwise)?

Question

C++ / C#

There is a code in which, depending on the condition, one or another audio file (.wav) should be launched. Also included are 46 .wav files as resources that can be accessed via:

System.Media.SoundPlayer player = new System.Media.SoundPlayer();
///...
player.Stream = Properties.Resources.a; // a -- audio file

The question is how, depending on the state of the program, access different files? I mean by index (and pull as an array element) or some other more dynamic way. Do not write after all 46 times if else if.

Answer 1

Properties.Resources.ResourceManager
See the GetObject and GetStream methods, you can refer to a resource by name

Answer 2

Design patterns have been invented for such tasks. Of course 46 if else if is evil. In my opinion, a state-machine may come in handy here, although it’s not very important. The bottom line is - You will make 46 classes that implement the same GetStream method (name for example), and in the code you will replace the class with user actions. Something like

someObject.State = new WarningState()
player.Stream = someObject.State.GetStream();

You can also write 1 wrapper over switch / case, although this is not a very beautiful solution. But it's also possible.