[C# error handling]

DisposeExample.cs

internal class Disp : IDisposable
{
    public void Dispose()
    {
        Console.WriteLine("dispose");  //<----- called
    }
}
static void Main(string[] args)
{
    try
    {
        using (new Disp())
        {
            Console.WriteLine("a"); //<----- called
            if (Random.Shared.Next() > -1)
            {
                Console.WriteLine("b"); //<----- called
                throw new Exception("b"); //<----- called
            }
        }

        Console.WriteLine("c");
    }catch
    {
        Console.WriteLine("d"); //<----- called
    }
    finally
    {
        Console.WriteLine("e"); //<----- called
    }

    Console.WriteLine("f"); //<----- called
}

DisposeExample2.cs

internal class Disp : IDisposable
{
    public void Dispose()
    {
        Console.WriteLine("dispose");
    }
}
static void Main(string[] args) //<----- exits with unhandled error
{
    try
    {
        using (new Disp())
        {
            Console.WriteLine("a"); //<----- called
            if (Random.Shared.Next() > -1)
            {
                Console.WriteLine("b"); //<----- called
                throw new Exception("b"); //<----- called
            }
        }

        Console.WriteLine("c");
    }
    finally
    {
        Console.WriteLine("e");
    }

    Console.WriteLine("f");
}

TryfExample.cs

static void Main(string[] args)
{
    try
    {
        Console.WriteLine("a"); //<----- called
        try
        {
            Console.WriteLine("b"); //<----- called
            if (Random.Shared.Next() > -1)
            {
                Console.WriteLine("c"); //<----- called
                throw new Exception("c");
            }

            Console.WriteLine("d");
        }
        finally
        {
            Console.WriteLine("e"); //<----- called
        }

        Console.WriteLine("f");
    }
    catch
    {
        Console.WriteLine("g"); //<----- called
    }
}

TryfExample2.cs

static void Main(string[] args) //<----- exits with unhandled error
{
        Console.WriteLine("a"); //<----- called
        try
        {
            Console.WriteLine("b"); //<----- called
            if (Random.Shared.Next() > -1)
            {
                Console.WriteLine("c"); //<----- called
                throw new Exception("c");
            }

            Console.WriteLine("d");
        }
        finally
        {
            Console.WriteLine("e");
        }

        Console.WriteLine("f");
}