/// <summary>
/// Evaluates the current expression.
/// </summary>
/// <param name="context">The context of the evaluation.</param>
/// <param name="res">The variable which will contain the result of the evaluation.</param>
protected override void Evaluate(EvaluationContext context, out EvaluationResult res)
{
Commands.Command cmd = null;
if (context.State != null)
{
cmd = context.State.GetCommand(CommandName);
}
if (cmd == null)
{
cmd = context.Host.GetCommand(CommandName);
}
if (cmd == null)
{
res = new EvaluationResult(CommonStatusCodes.CommandNotFound, this
, string.Format(CultureInfo.InvariantCulture
, "Command not found: {0}"
, CommandName)
, this.CommandName);
return;
}
res = cmd.Invoke(Toggle, context, args_a ?? args.ToArray());
res.Expression = this;
}