[Solved] How to call the method successively in C#? [closed]

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The code you suggested is called builder pattern. Here is how I do builder pattern in my C# codes.

Builder class

class PersonInfo
    {
        private string name, animan, color;
        private int age, num;

        private PersonInfo() { }

        public class Builder
        {
            PersonInfo info = new PersonInfo();

            public Builder setName(string name) { info.name = name; return this; }
            public Builder setAge(int age) { info.age = age; return this; }
            public Builder setFavoriteAnimal(string animan) { info.animan = animan; return this; }
            public Builder setFavoriteColor(string color) { info.color = color; return this; }
            public Builder setFavoriteNumber(int num) { info.num = num; return this; }

            public PersonInfo build()
            {
                return info;
            }
        }
    }

and here is how you can use it.

PersonInfo.Builder personInfoBuilder = new PersonInfo.Builder();
PersonInfo result = personInfoBuilder
                                    .setName("MISTAKE")
                                    .setAge(20)
                                    .setFavoriteAnimal("cat")
                                    .setFavoriteColor("black")
                                    .setName("JDM")
                                    .setFavoriteNumber(7)
                                    .build();

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solved How to call the method successively in C#? [closed]