Sample.ValueButtonTranslator.cs
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using Microsoft.SPOT;
using Microsoft.SPOT.Input; // add reference to Microsoft.SPOT.TinyCore.dll
using UAM.InformatiX.SPOT.Input;

public enum KeyMaskedAsButton // did you know you can use chars as enum values?
{
A = 'a', B = 'b', C = 'c', D = 'd',
E = 'e', F = 'f', G = 'g', H = 'h',
I = 'i', J = 'j', K = 'k', L = 'l',
M = 'm', N = 'n', O = 'o', P = 'p',
Q = 'q', R = 'r', S = 's', T = 't',
U = 'u', V = 'v', W = 'w', X = 'x',
Y = 'y', Z = 'z'
}

public class ValueButtonTranslator : IButtonTranslator
{
public bool GetLetter(Button button, int pressedCount, out string text)
{
text = ((char)button).ToString();
return true;
}

public bool GetNumber(Button button, out int number)
{
number = (int)button;
return true;
}
}

public class Program
{
public static void Main()
{
ValueButtonTranslator translator = new ValueButtonTranslator();
string text;

translator.GetLetter((Button)KeyMaskedAsButton.A, 0, out text);
Debug.Print("Input: " + text);
}
}

namespace UAM.InformatiX.SPOT.Input
{
public interface IButtonTranslator
{
bool GetLetter(Button button, int pressedCount, out string text);
bool GetNumber(Button button, out int number);
}
}