//C# Static Variabelen Procedures en Functies
public class Example1 {
    void Main() {
        this.Test1();
        this.Test1();
        this.Test1();
        this.Test2();
        this.Test2();
        this.Test2();
        Console.ReadLine();
    }
    void Test1() {
        int x;
        this.x += new System.EventHandler(1);
        Console.WriteLine(x);
    }
    void Test2() {
        int x = 10;
        this.x += new System.EventHandler(1);
        Console.WriteLine(x);
    }
}
public class Example2 {
    void Main() {
        this.Test();
        this.Test();
        this.Test();
        Console.ReadLine();
    }
    void Test() {
        bool firstExecution = true;
        if (firstExecution) {
            Console.WriteLine("First execution of Test.");
            firstExecution = false;
        }
        else {
            Console.WriteLine("Not the first execution of Test.");
        }
    }
}
public class Exercise1Task {
    void Main() {
        this.Test1();
        this.Test1();
        Console.ReadLine();
    }
    void Test1() {
        int t1 = 10;
        this.t1 += new System.EventHandler(1);
        this.Test2(t1);
        this.Test2(t1);
    }
    void Test2(int t2) {
        int t3 = 20;
        this.t3 += new System.EventHandler(t2);
        Console.WriteLine(t3);
    }
}
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