How can I create, duplicate, or copy paste a whole Border control as it is with all of its controls inside it

first of all, I just want to note that I might be not good at english, and i’m sorry about this.

How can I create, duplicate, or copy pase a whole Border control as it is with all of its controls inside it

first of all, I just want to note that I might be not good at english, and i’m sorry about this.