//Visual Basic 2008/2010 Redefinition - Overridable en Overrides Object Oriented Programming
public class Class3 {
    public virtual void Method1() {
        Method1 = "Class3.Method1()";
    }
    public virtual void Method1(string argument) {
        Method1 = (("Class3.Method1(" + argument) 
                    + ")");
    }
}
public class Class4 : Class3 {
    public override void Method1() {
        Method1 = "Class4.Method1()";
    }
    public virtual void Method1(string argument) {
        Method1 = (("Class4.Method1(" + argument) 
                    + ")");
    }
    public virtual void Method1(string argument1, string argument2) {
        Method1 = (((("Class4.Method1(" + argument1) 
                    + ",") 
                    + argument2) 
                    + ")");
    }
}
public class Class5 : Class4 {
    public override void Method1() {
        Method1 = "Class5.Method1()";
    }
}
public class Example2 {
    void Main() {
        Class3 object1 = new Class3();
        Console.WriteLine(object1.Method1());
        Console.WriteLine(object1.Method1("test"));
        Class4 object2 = new Class4();
        Console.WriteLine(object2.Method1());
        Console.WriteLine(object2.Method1("test"));
        Console.WriteLine(object2.Method1("test1", "test2"));
        Class5 object3 = new Class5();
        Console.WriteLine(object3.Method1());
        Console.WriteLine(object3.Method1("test"));
        Console.WriteLine(object3.Method1("test1", "test2"));
        Console.ReadLine();
    }
}
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