Question

C# PROGRAMMING

1. One of the differences between Business Objects and GUI Objects is that you cannot use inheritance with GUI Objects.

1. True
2. False

2. If you build one constructor, that takes 3 args, for a class, you then lose the default constructor. So if you want this default constructor, you have to build it yourself.

1. True
2. False

Answer 1

1. One of the differences between Business Objects and GUI Objects is that you cannot use inheritance with GUI Objects.

Correct Answer:-

b. False

Yes, we cannot use inheritance with GUI objects like Pointer, Button and checkbox etc.

2. If you build one constructor, that takes 3 args, for a class, you then lose the default constructor. So if you want this default constructor, you have to build it yourself.

Correct Answer:-

a. True

Explanation:-

If you have only defined a three-args constructor, then you cannot instantiate objects using default constructor in C#. If you want to, you have to explicitly define that default constructor.

See below program is showing error as we are accessing object using default constructor but it is showing error:

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