What is state property members?

State property members are public properties or fields in an object in the .NET framework that are owned by the state. State property members are used to store data that is related to the object's internal state. They can be accessed by any other member of the object and are typically used to represent data that needs to be shared between methods of an object. State property members can be read-only, write-only, or both, and they typically have public or protected access modifiers. Examples of state property members include variables that store the object's current state, the object's name, and any data that is used to calculate the object's state.