The parent class A, realize the basic attribute set/get and simple method;
Several subclasses A1, A2, A3... Inherit the parent class A, and to achieve various communication function; Such as serial port network
How to implement using a vector chain table to save these children, and in the canvas of the subclass A1, A2, A3 drawing, such as add, delete, modify, move, selected, etc?
Thank you for your attention

CodePudding user response:

Don't solved by ourselves, will you give yourself points

CodePudding user response:

See the problem description in plain English is merely to the operation of the vector
You can try for yourself and see, estimation can return to