public object GetAnnotation(int idx)
{
ArgumentValidator.ThrowIfTrue(idx < 0, "idx must be >= 0 but was {0}".Fi(idx));
if (null == this._annotations)
{
return(null);
}
if (this._annotations.Count <= idx)
{
return(null);
}
return(this._annotations[idx]);
}
public string UnMask(string value)
{
ArgumentValidator.ThrowIfNull(value, "value");
ArgumentValidator.ThrowIfTrue(value.Length > this.Mask.Length, "Argument length must not exceed mask's length.");
return(value.Where((t, i) => IsMaskChar(this.Mask[i])).Aggregate("", (current, t) => current + t));
}