to existing types in C#. For example, the code snippet below illustrates how you can extend the string class in C# to add a new method that returns the count of non-space characters in the string.

For example, you can define methods, properties, and events in an interface or an abstract class that must be implemented by types that extend it. However, from C# 8.0 onward, an interface can ...

BR><BR>Regularly, I have apps that use tree-structured data. .NET has the treeview class that works well for displaying this type of data. However, I've never been able to successfully build a ...