The general structure of a C# program is as follows:
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| namespace MyNamespace{ class MyClass { } struct AStruct { } interface IAnInterface { } delegate int ADelegateType(); enum AnEnum { } class Program { static void Main(string[] args) { return; } }} |
The most common convention is to store each class or interface in a different source code file (e.g. MyClass.cs andIAnInterface.cs), but you can store multiple objects in a single source file, or even split classes up across multiple files.