/// <summary>
/// Adds a new command option if none exists. If one does exist then
/// the use switch is toggled on or of.
/// </summary>
/// <param name="name">The common name of the option.</param>
/// <param name="value">The option value or command line switch
/// of the option.</param>
/// <param name="on"><code>true</code> if the option should be
/// appended to the commandline, otherwise <code>false</code>.</param>
protected void SetCommandOption(String name, String value, bool on)
{
Option option;
if (CommandOptions.Contains(name))
{
option = (Option)CommandOptions[name];
}
else
{
option = new Option();
option.OptionName = name;
option.Value = value;
CommandOptions.Add(name, option);
}
option.IfDefined = on;
}