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C# Programming questions specific to the Microsoft C# language. See also the forum Beginning Visual C# to discuss that specific Wrox book and code.
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Old July 20th, 2004, 02:07 PM
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Default Beginning Visual C# Exercises - Chapter 07

1. Maybe.
        If you intend code benchmarks in the beta release, then Trace
        makes sense but would necessitate clean up before final release.

2. ... At top of code
        using System.Diagnostics;

        ... In Main function
        int[] myArray = new int[500];
        int i;
        for (i = 0; i < 10000; i++)
        {
            Debug.Assert(i < 4999, "The test loop has reached 5000 iterations",
                "An error is pending - please step through debug");
            if (i == 4999)
            {
                Console.WriteLine("This array element {0} is going to break things!", myArray[1000]);
            }
        }

3. False, a finally code block always executes

4. ... At start of class
        enum orientation : byte
        {
            north = 1,
            south = 2,
            east = 3,
            west = 4
        }

        ... In Main function
        /* The checked function tests conversion of data types.
             * Assigning a value to "myByte" (as instructions suggested) precludes
             * conversion test to "orientation" since both are byte data types.
             * Following code tests string input conversion */
        try
        {
            orientation myDirection;
            Console.WriteLine("Enter a whole number to consider:");
            myDirection = checked((orientation)Convert.ToByte(Console.ReadLi ne()));
            Console.WriteLine("Here's your solution: {0}", (orientation)myDirection);
        }
        catch (OverflowException)
        {
            Console.WriteLine("The number you entered is out of bounds for the orientation data type");
        }
        catch (Exception e)
        {
            Console.WriteLine("An unexpected error resulted from your input: {0}", e.Message);
        }
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