public Key(KeyAction singleAction)
: this()
{
DefaultAction = new KeyActionPair(singleAction, singleAction);
AlternativeActions = Enumerable.Empty <KeyActionPair>();
}
public Key(char character, params char[] alternateCharacters)
: this()
{
DefaultAction = new KeyActionPair(new CharacterAction(character), new CharacterAction(char.ToUpper(character, CultureInfo.CurrentCulture)));
AlternativeActions = alternateCharacters.Select(c => new KeyActionPair(new CharacterAction(c), new CharacterAction(char.ToUpper(c, CultureInfo.CurrentCulture)))).ToArray();
}